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Anatomy & Physiology

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
show Relating to the abdomen (belly).  
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abdominopelvic cavity (ab-dom-ih-no-PEL-vik)   show
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show Movement away from the midline of the body.  
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show Uptake or incorporation of a substance such as a gas or liquid or energy (light or heat) into another substance or tissue.  
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acid   show
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show The quality of having a high number of + hydrogen ions (H) and a pH below 7.  
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show Pertaining to the highest point of the shoulder.  
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actin (AK-tin)   show
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show Electrochemical signal that travels along a neuron; also known as a nerve impulse .  
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show Cellular transport mechanism that requires energy to move substances against a concentration or pressure gradient.  
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acute (ah-KYOOT)   show
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acute stage (ah-KYOOT)   show
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show Adjustment in the sensitivity of a sensory receptor to continued or repeated stimulus.  
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show Defensive body reaction involving B and T cell activation by a specific pathogen; also known as a specific immune response.  
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adduction (ad-DUK-shun)   show
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show Compound formed when one phosphate group is broken off an adenosine triphosphate (ATP) molecule to provide energy for cellular work.  
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adenosine triphosphate (ATP) (uh-DEN-o-sin try-FAHS-fayt)   show
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show Point in connective tissue where fibers are bound together and/or ground substance is thick and stiff.  
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adrenal cortex (ah-DREE-nuhl KOR-teks)   show
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show Endocrine gland situated on top of each kidney; also known as suprarenal gland.  
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show Inner section of adrenal glands; secretes adrenaline and noradrenaline.  
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adrenaline (ah-DREN-ah-lin)   show
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show One of the tropic hormones secreted by the anterior pituitary gland; stimulates the release of glucocorticoids from the adrenal cortex.  
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show Method of energy production that requires oxygen; includes the Krebs cycle.  
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show Conducting toward a center; flowing inward.  
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show Muscle that generates most of the power for motion; also known as the prime mover.  
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alarm response   show
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show Hormone secreted by the adrenal cortex; causes kidneys to increase sodium retention and secretion of potassium.  
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alkaline (AL-kuh-lin)   show
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all-or-none response   show
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allergen (AL-er-jen)   show
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show Science-based Western medicine system that uses medication or surgery to treat or suppress symptoms or ill effects of a disease rather than maintain and preserve health.  
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show State of having adapted to a chronic stressor by making physical or chemical changes in the body; a less healthy and stable homeostasis.  
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show Neuronal reflex loop that mediates the stretch reflex; created by an alpha sensory neuron originating in the muscle spindle and an alpha motor neuron that stimulates extrafusal muscle fibers.  
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show Microscopic air sacs in the lungs at the end of the bronchial tree that serve as the site of oxygen and carbon dioxide exchange (singular: alveolus).  
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show Molecular building block of proteins.  
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amniotic sac (am-nee-AH-tik)   show
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show Type of joint in which there is a cartilage disc between bony surfaces that allows partial movement; also known as a cartilaginous joint .  
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amylase (AM-ih-lays)   show
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show Process that occurs when the body uses nutrients as building blocks, either storing the nutrient for use at a later time or using it to repair and build new tissue.  
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anaerobic cellular metabolism (an-ah-RO-bik)   show
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show Distal portion of the rectum.  
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anastomosis (ah-NAS-tuh-MO-sis)   show
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show Position in which a person stands upright with arms at the sides and the face, palms, and feet facing forward; the basis for all regional, directional, and movement terminology.  
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show The form and structure of an organism, such as the human body; also the branch of science that studies the structure of organisms.  
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show Thin hair-like fibers attached to the epithelial flaps of lymphatic initial vessels that hold or anchor the initial vessel in place and open the vessel when pulled by tissue stretch.  
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show Steroid that acts as a male sex hormone; controls the development of masculine characteristics in both sexes.  
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anemia (ah-NEE-mee-ah)   show
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angion (AN-jee-on)   show
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show Junction between the lymphatic ducts and the subclavian veins; also known as the lymphatic terminus .  
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antagonist (an-TAG-ah-nist)   show
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antagonistic effect (an-TAG-ah-nis-tik)   show
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antebrachial (ant-ee-BRAY-kee-uhl)   show
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show Pertaining to the anterior elbow.  
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anterior (an-TEER-ee-or)   show
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show Plasma protein released by plasma B cells that can bind with an antigen to neutralize or kill it; also known as immunoglobulin .  
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antibody-mediated immunity (AMI) (AN-tih-bah- dee MEE-dee-ay-ted ih-MYU-nih-tee)   show
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show Hormone secreted by the posterior pituitary that inhibits urine production in the kidneys; also known as vasopressin .  
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antigen (AN-tih-jen)   show
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show Any substance that destroys or inhibits the growth and development of microbes, preventing their pathogenic action.  
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antimicrobial peptide (an-tih-my-KRO-bee-al PEP-tide)   show
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show Opening at the end of the anal canal through which waste is excreted.  
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aortic valve (ay-OR-tik)   show
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apocrine glands (AP-o-krin)   show
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show Broad sheet of connective tissue that serves as the attachment point for several muscles in the torso or thigh.  
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appendicular (ap-pen-DIK-yu-lar)   show
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appendix (uh-PEN-diks)   show
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arachnoid mater (ah-RAK-noyd MAH-ter)   show
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arrector pili (uh-REK-tor PEE-ly)   show
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show Small artery.  
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show Blood vessel that carries blood away from the heart.  
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arthrokinematics (ar-thro-kin-ah-MAT-iks)   show
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articular cartilage (ar-TIK-yu-lar)   show
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articulation (ar-tik-yu-LAY-shun)   show
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artificially acquired immunity (ar-tih-FISH-al-lee ah-kwy-erd ih-MYU-nuh-tee)   show
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show Vertical segment of the large intestine on the right side of the abdominal cavity.  
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show Smallest particle (unit) of an element that has all the properties of the element; composed of electrons, neutrons, and protons; component of molecules.  
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atrioventricular (AV) bundle (ay-tree-o-ven-TRIK- yu-lar)   show
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show Collection of autorhythmic cardiac muscle cells located in the inferior portion of the septum between the atria that acts as an area of delay.  
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atrium (AY-tree-um)   show
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atrophy (A-tro-fee)   show
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autoimmune disease (ah-to-ih-MYOON)   show
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autonomic (ah-to-NAH-mik)   show
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autonomic ganglion (ah-toh-NAH-mik GANG-glee-on)   show
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show Without blood vessels.  
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axial (AKS-see-al)   show
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axillary (AKS-ih-lair-ee)   show
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show Fibrous portion of a neuron that carries a nerve impulse from the cell body toward another neuron or effector.  
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show Small “bump” in a neuron where the axon attaches to the cell body.  
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axon terminal (AKS-on TERM-ih-nal)   show
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B cell   show
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show Type of synovial joint in which the rounded end of one bone fits into a socket-like depression of another; allows all five basic movements.  
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baroreceptor (bair-o-ree-SEP-tor)   show
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show Most common type of skin cancer.  
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show Rate at which energy is used by the body at rest; determined by the amount of oxygen used by body cells and represented as calories of heat.  
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base   show
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basement membrane   show
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show Heart valve located between the left atrium and ventricle; also known as the mitral valve .  
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show Fat emulsifier produced by the liver and stored in the gallbladder.  
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show Interdisciplinary model that includes the interconnection between biology, psychology, and social-environmental factors.  
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bladder   show
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blastocyst (BLAS-to-sist)   show
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blood pressure   show
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body   show
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show Planes that divide the body to establish front, back, top, bottom, right, and left sections.  
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show Distinctive lines, grooves, bumps, and projections on bones that serve as attachment points for muscles or passageways for blood vessels and nerves.  
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brachial (BRAY-kee-uhl)   show
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brain stem   show
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bronchi (BRAHNG-ky)   show
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show Air passageways from the trachea through the bronchi and bronchioles.  
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show Smallest air passageway of the bronchial tree.  
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bulbourethral gland (bul-bo-yur-REE-thruhl)   show
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bundle branch   show
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show Located in the interventricular septum, the only region where action potentials can pass from the atria to the ventricles; also known as an atrioventricular bundle .  
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bursa (BER-sah)   show
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calcaneal (kal-KAY-nee-uhl)   show
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calcify (KAL-sih-fy)   show
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show Hormone released by the thyroid gland; decreases blood calcium levels by enhancing bone absorption of the mineral.  
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show Cup-like structure or organ; for example, in the kidney, a small cup at the bottom of a renal pyramid that collects urine and transfers it to the renal pelvis.  
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canaliculi (kan-ah-LIH-kyu-ly)   show
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show Pertaining to porous or spongy bone tissue.  
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show The smallest blood vessel; connects arterioles and venules. capillary bed (KAP-eh-lair-ee)  
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show Movement of substances through the wall of a capillary.  
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capillary fluid pressure (CFP) (KAP-eh-lair-ee)   show
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capsule (KAP-suhl)   show
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show Molecular compound containing a mixture of hydrogen, carbon, and oxygen atoms; includes starches and complex sugars that break down into glucose, which is used by the body to produce energy.  
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show The ordered sequence of atrial and ventricular contraction and relaxation that makes up one heartbeat.  
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cardiovascular system (kar-dee-o-VAS-kyu-lar)   show
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carpal (KAR-pahl)   show
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cartilaginous joint (kar-tih-LA-juh-nus)   show
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show Any chemical process the body uses to break down nutrients to release energy.  
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show Grouping of lymph nodes; also known as a lymph node bed .  
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show Hormone secreted by the adrenal medulla; adrenaline and noradrenaline.  
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cauda equina (KAW-dah eh-KWY-nah)   show
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show Below; closer to the feet; inferior.  
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show Initial short, pouch-like segment of the large intestine.  
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show Most basic functional unit of the body.  
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cell-mediated immunity (CMI) (SEL MEE-dee-ay-ted ih-MYU-nuh-tee)   show
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cell membrane (SEL MEM-brayn)   show
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show Small opening in the center of the spinal cord that allows for circulation of cerebrospinal fluid through the cord.  
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show Primary division of the nervous system; includes the brain and spinal cord.  
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show Cellular organelle that plays an important role in cell division and in producing and organizing the cytoskeleton.  
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cephalad (SEF-ah-lad)   show
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show Pertaining to the head.  
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cerebellum (sair-eh-BEL-um)   show
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show Outer layer of the cerebrum; consists of gray matter.  
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cerebrospinal fluid (CSF) (seh-ree-bro-SPY-nal)   show
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show Largest and uppermost portion of the brain that is the center for consciousness, cognition, and motor activity.  
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show Pertaining to the neck.  
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chemoreceptor (kee-mo-ree-SEP-tor)   show
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show Movement of cells in response to chemicals.  
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show Cartilage cell.  
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show Collection of specialized capillaries in the ventricles of the cerebrum that secrete cerebrospinal fluid.  
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chronic (KRAH-nik)   show
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chyme (KYM)   show
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cilia (SIH-lee-ah)   show
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circuit (SUR-kut)   show
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circumduction (sur-kum-DUK-shun)   show
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cisterna chyli (sis-TERN-ah KY-lee)   show
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show Aerobic metabolic process in which pyruvic acid is broken down and converted into carbon dioxide and water, producing adenosine triphosphate (ATP) and heat; also called the Krebs cycle .  
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clitoris (KLIH-tor-is)   show
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coagulation (ko-ag-yu-LAY-shun)   show
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show Snail shell–shaped structure of the inner ear where the sensory receptors for hearing are located.  
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show Higher mental process involved in knowing and perceiving.  
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collagen (KAH-lah-jen)   show
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collagen remodeling   show
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collector   show
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colon (KO-lun)   show
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show Tube that carries bile from the gallbladder to the duodenum.  
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common hepatic duct (heh-PAT-ik)   show
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show An infectious disease that is easily spread in a variety of direct and indirect ways, such as through air, contaminated food, and/ or insect bites.  
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show Dense bone tissue; see cortical .  
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complement protein (KAHM-pleh-ment PRO-teen)   show
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show Secondary disease or condition that aggravates an already existing disease.  
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compound   show
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show Isotonic contraction in which the muscle shortens and the insertion moves closer to the origin.  
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conception (kahn-SEP-shun)   show
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show Conveyance of energy; process by which a nerve impulse is transmitted.  
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show Organized network of autorhythmic cardiac muscle cells that produce the coordinated contractions of the heart.  
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condyle (KAHN-dile)   show
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show Type of synovial joint characterized by two oval-shaped articular surfaces, one convex and one concave, that fit into one another; allows flexion, extension, abduction, and adduction; see ellipsoid joint .  
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show Photoreceptor of the eye sensitive to bright light and specific color wavelengths.  
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congenital (kahn-JEN-ih-tal)   show
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show Most abundant and widespread type of tissue in the body; functions to bind, support, protect, insulate, and transport.  
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show Infectious diseases spread directly from one person to another. contractile  
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show Sharp ridge-like border of a bone.  
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show Pertaining to the lower leg.  
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cubital (KYOO-bih-tal)   show
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cusp   show
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Cutaneous membrane (kyu-TAY-nee-us)   show
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show Sensory receptor located in the skin.  
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show Bluish appearance of the skin that results from tissues not receiving enough oxygen.  
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show Cell-signaling molecule.  
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cytokinesis (sy-to-kin-EE-sis)   show
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cytology (sy-TAHL-o-jee)   show
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show Dissolution of a cell.  
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cytoplasm (SY-to-plaz-um)   show
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show Fluid component of cytoplasm.  
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show Specialized T lymphocyte produced during a cell-mediated immune response that attacks and destroys pathogens; killer T cell.  
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show Farther from the surface.  
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deep fascia (FASH-ah)   show
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defecation (def-eh-KAY-shun)   show
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dendrite (DEN-drite)   show
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show Nucleic acid that carries the human genetic code.  
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depolarization (dee-po-lah-ry-ZAY-shun)   show
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deposition (dep-o-ZIH-shun)   show
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dermal papillae (DERM-ahl pah-PIL-ly)   show
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dermatome (DERM-ah-tome)   show
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dermis (DERM-is)   show
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show Vertical segment of the large intestine on the left side of the abdominal cavity.  
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show Determination of the cause and nature of a disease, injury, or disorder.  
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diaphragm (DY-uh-fram)   show
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show Shaft of a long bone.  
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diarthrosis (dy-ahr-THRO-sis)   show
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diastole (dy-AS-to-lee)   show
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diencephalon (dy-en-SEF-ah-lon)   show
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show Ability of cells to adapt and specialize their functions and create a wide variety of cell types.  
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show Cellular passive transport mechanism in which substances move according to a concentration gradient; movement from an area of higher concentration to one of lower concentration.  
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show Process of breaking down food into smaller components that the body can absorb and assimilate.  
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digestive system (dy-JES-tiv)   show
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show Pertaining to the fingers or toes.  
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show Method of energy production in which a phosphate group is broken off creatine phosphate and added to adenosine diphosphate (ADP) to create adenosine triphosphate (ATP).  
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disc   show
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distal (DIH-stahl)   show
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divergence (dy-VER-jens)   show
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dorsal (DOR-suhl)   show
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show Movement at the ankle in which the dorsum of the foot is pulled upward toward the knee.  
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show Referring to glands and organs that are functionally connected with both sympathetic and parasympathetic motor pathways.  
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duodenum (doo-AH-den-um)   show
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dura mater (DER-ah MAH-ter)   show
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dynamic edema (eh-DEE-muh)   show
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eccentric contraction (ee-SEN-trik)   show
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show Sweat glands.  
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show Outer embryonic layer that differentiates to form the epidermis, nervous tissue, and sense organs.  
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edema (eh-DEE-muh)   show
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show Movement of excess interstitial fluid (edema) into lymphatic capillaries; fluid uptake in the case of edema.  
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show Target cell, tissue, or organ that responds to a specific stimulus, such as a motor command from the central nervous system.  
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efferent (EE-fair-rent)   show
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show Female sex cell before fertilization; also known as an ovum .  
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ejaculation (ee-jak-yu-LAY-shun)   show
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show Tube between the vas deferens and urethra.  
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show Having the ability to return to an original shape after being stretched.  
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elastic fibers (ee-LAS-tik)   show
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show Substance formed when like atoms bond to form a molecule.  
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show In general, the process of expelling or removing something; excreting waste from the body.  
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llipsoid joint (eh-LIP-soyd)   show
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show Traveling mass of undissolved material in a blood vessel; can be a foreign object or made up of tissue fragments, bacteria, or gas.  
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show Developing human offspring from week 3 through week 8 of gestation.  
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emulsification (ee-muhl-sih-fih-KAY-shun)   show
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end feel   show
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show Thin, smooth inner layer of the heart that consists of epithelium.  
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endocrine gland (EN-duh-krin)   show
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show Body system composed of glands that secrete hormones; works with the nervous system for communication, coordination, and control of all other body systems.  
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endoderm (EN-do-derm)   show
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endometrium (en-do-MEE-tree-um)   show
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endomysium (en-do-MY-see-um)   show
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endoneurium (en-do-NUR-ee-um)   show
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show Cell organelle that creates pathways that allow for intracellular movement of substances; can be rough (with ribosomes) or smooth (without ribosomes).  
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show Layer of cells lining the medullary cavity.  
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show Complex neuronal network that controls the secretions and smooth muscle contractions of the digestive tract.  
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show Protein that functions as a catalyst for biochemical reactions in the body, speeding up the breakdown and synthesis of various substances.  
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show Outer layer of the heart; visceral pericardium.  
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show Bone projection just superior to the condyle of certain bones.  
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show Superficial stratified epithelial tissue layer of the skin.  
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show Narrow, coiled tube in the spermatic duct system located along the posterior side of the testes; the location where sperm develop their motility and ability to fertilize eggs.  
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epiglottis (eh-pih-GLAH-tis)   show
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epimysium (eh-pih-MY-see-um)   show
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epineurium (eh-pih-NUR-ee-um)   show
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show Growth plate of bones.  
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epiphysis (eh-PIF-eh-sis)   show
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show One of the four basic tissue types; functions to line, cover, secrete, and protect; also known as the epithelium .  
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show One of the four basic tissue types of the body; functions to line, cover, secrete, and protect; also known as epithelial tissue .  
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show Condition in which the penis is stiff, enlarged, and engorged.  
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erythema (air-uh-THEE-mee-ah)   show
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erythrocyte (eh-RITH-ro-site)   show
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show Smooth muscle ring at the lower end of the esophagus that controls the flow of food into the stomach and prevents its contents from pushing back into the esophagus; also called the cardiac sphincter.  
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show The muscular tube just posterior to the trachea that connects the pharynx (throat) with the stomach and serves as a passageway for food.  
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estrogen (ES-tro-jen)   show
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show The cause of a disease; factors involved in the development of a disease.  
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show Having the ability to react to a stimulus; in muscle tissue, the ability to respond quickly to stimulus from nerve impulses.  
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exhalation (eks-hah-LAY-shun)   show
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exocrine gland (EKS-o-krin)   show
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exocytosis (eks-o-sy-TO-sis)   show
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expiration (eks-pih-RAY-shun)   show
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extensible (eks-TEN-sih-bal)   show
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show Posterior movement of a body part in the sagittal plane; increases the anterior angle between two bones (exception: knee joint).  
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show Gas exchange between the air in the alveoli of the lungs and the bloodstream.  
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show Fluid present outside of cells.  
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show Skeletal muscle fiber.  
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facet (FAS-et)   show
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show Passive transport mechanism in which special carrier molecules in the cell membrane assist in moving specific substances across the plasma membrane.  
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show One of two short muscular tubes that carry eggs from the ovary to the uterus; also known as oviduct .  
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show Multiple layers of disorganized fibrous connective tissue that surround and invest all structures of the body down to the cellular level.  
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show One of seven flattened horizontal straps of superficial fascia.  
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fascial plane (FASH-al)   show
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show Unifying structural and functional system that includes all fibrous connective tissues.  
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show Low-grade tension created by smooth muscle cells within the fascia independent of motor tone in surrounding skeletal muscles; regulated by the autonomic nervous system.  
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fascicle (FAS-ih-kal)   show
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show Molecular component of triglycerides.  
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feedback system   show
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femoral (FEHM-or-al)   show
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fertilization (fer-tih-luh-ZAY-shun)   show
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fetus (FEE-tus)   show
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show Elevated core body temperature.  
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show Specialized connective tissue cell that synthesizes certain protein molecules to create connective tissue fibers.  
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show Dense fibrous connective tissue pad found between the vertebrae and at the pubic symphysis.  
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fibrous joint (FY-brus)   show
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show Pertaining to the lateral side of the lower leg.  
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show In general, the process of passing liquid through a filter; a cellular passive transport mechanism in which substances move according to a pressure gradient, from an area of higher to lower pressure.  
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fissure (FISH-ur)   show
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fixator (FIK-say-tor)   show
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flexion (FLEK-shun)   show
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show Movement of interstitial fluid into lymphatic capillaries.  
🗑
follicle (FAH-lih-kal)   show
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follicle-stimulating hormone (FSH) (FAH-lih-kal)   show
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show Opening or hole in a bone.  
🗑
formed element   show
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show Saucer-like depression in a bone.  
🗑
fovea (FO-vee-ah)   show
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free nerve ending   show
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show Pertaining to the forehead or relating to the frontal plane.  
🗑
frontal plane (FRUN-tal)   show
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fulcrum (FUL-krum)   show
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show Upper portion of an organ such as the stomach or uterus.  
🗑
gallbladder (GAHL-blad-er)   show
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gamete (GAM-meet)   show
🗑
show Pretensioning of the muscle spindle that increases its sensitivity to rapid lengthening; also called gamma loading .  
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gamma loop (GAM-mah)   show
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ganglion (GANG-glee-on)   show
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gastrointestinal (GI) tract (gas-tro-in-TES-tih-nal)   show
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gate control theory   show
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gene (JEEN)   show
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general receptor   show
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general sense   show
🗑
show External sexual organs (penis and vulva).  
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gestation (jeh-STAY-shun)   show
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show Type of cell of the nervous system that functions to support and protect neurons; also known as neuroglia .  
🗑
show Type of synovial joint with smooth, flat articular surfaces (facets) that slide or glide across one another; normally found between short bones.  
🗑
show Space between the vocal cords (folds) of the larynx.  
🗑
glucagon (GLOO-kah-gahn)   show
🗑
show Any of a group of steroid hormones secreted by the middle layer of the adrenal cortex; involved in metabolism of carbohydrates, proteins, and fats.  
🗑
show Simple sugar.  
🗑
show Pertaining to the buttocks.  
🗑
glycerol (GLIH-ser-ahl)   show
🗑
glycocalyx (gly-ko-KAY-liks)   show
🗑
show Anaerobic metabolic process in which glucose is broken down and converted into pyruvic acid to produce adenosine triphosphate (ATP).  
🗑
show Cellular organelle that processes and packages proteins and lipids.  
🗑
Golgi tendon organ (GTO) (GOAL-jee)   show
🗑
show Male or female sex gland that produces and stores the sex cells; the testes in males and the ovaries in females.  
🗑
show Stimulating the appropriate number of motor units based on sensory input to control the force of muscle contraction; motor unit recruitment.  
🗑
show Thin thread-like fibers formed by fibroblasts across a hematoma.  
🗑
show Areas of the brain or spinal cord made primarily of cell bodies and dendrites of neurons rather than myelinated axons; has a grayish color.  
🗑
show Large fatty extension of the peritoneum.  
🗑
ground substance   show
🗑
show Most abundant hormone secreted by the anterior pituitary; stimulates and regulates growth in all tissue and plays an important role in some aspects of metabolism; also called somatotropin .  
🗑
show Pertaining to taste.  
🗑
show Fold or convolution of the cerebrum (plural: gyri).  
🗑
show Deep cutaneous receptor that wraps around the hair follicle and is sensitive to movement of the exposed hair shaft. hair shaft Exposed portion of a hair that projects above the surface of the skin.  
🗑
haversian canal (hah-VER-zhun)   show
🗑
haversian system (hah-VER-zhun)   show
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helper T cell   show
🗑
show Localized collection of blood and other fluids in tissue.  
🗑
show Blood cell production in the red bone marrow; also called hemopoiesis.  
🗑
show Iron-containing protein in red blood cells that transports oxygen from the lungs to the tissues and gives red blood cells their color.  
🗑
show Active bleeding.  
🗑
hemostasis (hee-mo-STAY-sis)   show
🗑
hepatic duct (heh-PAT-ik)   show
🗑
show Point of intersection in the large intestine between the ascending and transverse colons.  
🗑
hepatocyte (heh-PAT-o-site)   show
🗑
show Indentation or opening through which ducts, nerves, or blood vessels pass in a gland or organ; in the kidney, the opening through which the ureters, blood vessels, and nerves pass.  
🗑
hinge joint   show
🗑
histamine (HIS-tah-meen)   show
🗑
histology (hist-AHL-o-jee)   show
🗑
show Health and wellness concept guided by the principle that the physical body, cognitive processes (mind), and emotional and spiritual aspects are inseparable parts of a whole and integrated person.  
🗑
show State of internal stability or balance in the body.  
🗑
show Movement away from the midline within the transverse plane.  
🗑
horizontal adduction (hor-ih-ZAHN-tal ad-DUK-shun)   show
🗑
hormone (HOR-mone)   show
🗑
show Specific region of the gray matter of the spinal cord.  
🗑
HPA axis   show
🗑
hyaline cartilage (HY-ah-lin)   show
🗑
show Force caused by fluid pushing against a wall or membrane; fluid pressure.  
🗑
hyperemia (hy-per-EE-mee-uh)   show
🗑
hypertension (hy-per-TEN-shun   show
🗑
show Excessive muscle tension.  
🗑
hypertrophy (hy-PER-troh-fee)   show
🗑
show Fat and areolar connective tissue that lies between the dermis and underlying tissues and organs; also known as the subcutaneous layer or superficial fascia .  
🗑
hypothalamus (hy-po-THAL-uh-mus)   show
🗑
ileum (IL-lee-um)   show
🗑
show Protection from or resistance to disease.  
🗑
show Plasma protein released by plasma B cells that can bind with an antigen to neutralize or kill it; also known as an antibody .  
🗑
show Process by which the blastocyst burrows into the uterine lining.  
🗑
indication (in-dih-KAY-shun)   show
🗑
show Noncontractile tissues, including ligaments, joint capsules, and cartilage.  
🗑
inferior (in-FEER-ee-yor)   show
🗑
inflammation (in-flah-MAY-shun)   show
🗑
inflammatory stage (in-FLAM-ah-tor-ee)   show
🗑
show The act of eating or taking in food or liquids.  
🗑
show Pertaining to the groin.  
🗑
inhalation (in-hah-LAY-shun)   show
🗑
inhibiting hormones   show
🗑
show Any of a group of general body defenses that are not directed at a particular pathogen; also known as nonspecific immune defense .  
🗑
innervate (IN-er-vate)   show
🗑
inorganic compound (in-or-GAN-ik)   show
🗑
insertion (in-SIR-shun)   show
🗑
show Hormone released by the beta cells in the pancreatic islets; causes a decrease in blood glucose levels.  
🗑
integral membrane proteins (IMPs)   show
🗑
integration (in-teh-GRAY-shun)   show
🗑
show Body system made up of the skin and its accessory organs: hair, nails, oil glands, and sweat glands.  
🗑
intercalated discs (in-TER-kah-lay-ted)   show
🗑
interferon (in-ter-FEER-on)   show
🗑
show Gas exchange between the bloodstream and tissues of the body.  
🗑
show The sense of the internal state of the body.  
🗑
interstitial fluid (in-ter-STIH-shal)   show
🗑
interstitial fluid pressure (IFP) (in-ter-STIH-shal)   show
🗑
show Specialized free nerve endings found within fascia that cause autonomic changes when stimulated.  
🗑
show Specialized striated muscle fiber within a muscle spindle.  
🗑
inverse stretch reflex   show
🗑
show Charged particle of matter.  
🗑
ion pump   show
🗑
ipsilateral (ip-sih-LAT-er-al)   show
🗑
show Local decrease in blood volume or flow.  
🗑
islets of Langerhans (Y-lets uhv LAHNG-er-hahnz)   show
🗑
isometric contraction (y-soh-MEH-trik)   show
🗑
show Type of muscle contraction that creates movement.  
🗑
jejunum (jeh-JOO-num)   show
🗑
show The point at which two or more bones meet; articulation .  
🗑
show Fibrous connective tissue sleeve around the bone ends in synovial joints.  
🗑
show The space between the bones of an articulation and inside the joint capsule.  
🗑
joint receptor   show
🗑
show Substance secreted by keratinocytes of epidermis to toughen the outer layer and make it water resistant.  
🗑
show Type of cell in the outer layer of epidermis that secretes keratin.  
🗑
kidney (KID-nee)   show
🗑
show The sense and awareness of movement.  
🗑
show Series of muscles engaged to create a complex movement.  
🗑
show Aerobic metabolic process in which pyruvic acid is broken down and converted into carbon dioxide and water, producing adenosine triphosphate (ATP) and heat; also called the citric acid cycle .  
🗑
kyphotic curve (ky-FAH-tik   show
🗑
show Lateral tissue folds that surround the vaginal and urethral openings.  
🗑
show Series of actions that push an infant through the vagina and result in expulsion (birth).  
🗑
labrum (LAY-brum)   show
🗑
show Specialized lymphatic capillary inside the microvilli of the small intestine that absorbs fats.  
🗑
show Acid produced in the body during the anaerobic metabolism of glucose, as occurs in muscle tissue during exercise.  
🗑
lacuna (lah-KOO-nah)   show
🗑
show Concentric bony plate that surrounds the central canal (haversian canal) in an osteon (plural: lamellae).  
🗑
show Specialized immune cells found in the spiny layer of the epidermis.  
🗑
large intestine   show
🗑
larynx (LAIR-inks)   show
🗑
show Situated or extending away from the midline of the body (to the side). length–strength ratio  
🗑
show Localized pathologic change in an organ or tissue, such as a wound, sore, rash, ulcer, tumor, boil, or other abnormal tissue change.  
🗑
lesser omentum (o-MEN-tum)   show
🗑
leukocyte (LOO-ko-site)   show
🗑
show Fibrous connective tissue that connects bone to bone in synovial joints.  
🗑
show Peptide molecule that binds to receptor proteins in the plasma membrane of target cells to stimulate cellular activity.  
🗑
show Group of brain structures involved in processing memory and emotion and controlling unconscious aspects of behavior related to survival; called the “emotional brain.”  
🗑
lipid (LIP-id)   show
🗑
show Hormone transported in blood via special carrier molecules, which then passes easily into the target cell to directly alter its metabolic activity; no second messenger is involved.  
🗑
show Primary lymphatic vessels that receive lymph from the pre-collectors and carry it to lymph node beds or lymphatic trunks; also called collectors .  
🗑
show Body system consisting of the lymph vessels and lymphoid tissue; involved in immunity, nutrient absorption, and fluid return.  
🗑
lymphatic terminus (lim-FAT-ik TER-mih-nus)   show
🗑
lymphatic trunk (lim-FAT-ik)   show
🗑
lymphedema (lim-feh-DEE-muh)   show
🗑
lymphocyte (LIM-fo-site)   show
🗑
show Specific lymphatic drainage region that carries lymph through its network of vessels into a designated catchment.  
🗑
lysosome (LY-so-zome)   show
🗑
macrophage (MAK-ro-fayj)   show
🗑
show Breasts.  
🗑
show Pertaining to the hand; an action performed by the hands.  
🗑
manual therapy   show
🗑
show Movement of phagocytes and fibroblasts to the periphery of an area of inflammation; occurs during the acute stage of the healing process.  
🗑
marrow (MAIR-oh)   show
🗑
mast cells   show
🗑
mastication (mas-tih-KAY-shun)   show
🗑
show Combination of fibers and ground substance in connective tissue.  
🗑
maturation stage   show
🗑
meatus (mee-AY-tus)   show
🗑
mechanoreceptor (meh-kan-o-ree-SEP-tor)   show
🗑
medial (MEE-dee-al)   show
🗑
show Central region in the thoracic cavity between the lungs which contains the heart.  
🗑
show Most inferior portion of the brain stem; continuous with the spinal cord.  
🗑
show Hollow channel in the diaphysis of a long bone.  
🗑
meiosis (my-O-sis)   show
🗑
Meissner’s corpuscle (MYZ-nerz KOR-puh-sal)   show
🗑
melanin (MEL-ah-nin)   show
🗑
show Specialized cell of the epidermis that produces melanin.  
🗑
show Hormone released by the anterior pituitary that affects skin pigmentation.  
🗑
show A type of skin cancer caused by mutations in melanocytes; can be aggressive and fatal.  
🗑
melatonin (mel-ah-TO-nin)   show
🗑
show Thin sheet of at least two layers of tissue that covers a surface, lines a cavity, or separates or connects structures or organs.  
🗑
show Specialized B or T cell produced during a specific immune response that “remembers” the initial exposure to a pathogen; specific types are called memory B cells or memory T cells.  
🗑
meninges (meh-NIN-jeez)   show
🗑
meniscus (meh-NIS-kus)   show
🗑
Merkel disc (MER-kuhl)   show
🗑
show Double fold of the peritoneum that attaches the small intestine to the posterior side of the abdominal cavity.  
🗑
show Middle embryonic layer that differentiates into bone, blood, muscle tissue, and certain epithelial tissues in the urinary and endocrine systems.  
🗑
metabolic rate (meh-tah-BAH-lik)   show
🗑
metabolism (meh-TAB-o-lizm)   show
🗑
metaphysis (meh-TAF-uh-sis)   show
🗑
microbe (MY-krobe)   show
🗑
show Microscopic projections from the plasma membrane of certain cells that increase the surface area for absorption.  
🗑
show Passing urine out of the urethra; also known as urination . midbrain Uppermost portion of the brain stem.  
🗑
show Inorganic micronutrient required for maintaining tissues such as bone and blood and homeostatic balances including pH, fluid, and energy balance.  
🗑
show Any of a group of hormones released by the outer layer of the adrenal cortex; aldosterone is the most important.  
🗑
show Cellular organelles responsible for the production of adenosine triphosphate (ATP) (singular: mitochondrion).  
🗑
show Process of cell division in which the nucleus divides to produce two nuclei, each containing the same chromosome and DNA content as the original cell.  
🗑
show Heart valve located between the left atrium and ventricle; also known as the bicuspid valve .  
🗑
modulation (mahj-yu-LAY-shun)   show
🗑
molecule (MAH-leh-kyul)   show
🗑
show Ability to move spontaneously.  
🗑
motor end plate   show
🗑
motor neuron   show
🗑
motor tone   show
🗑
motor unit   show
🗑
motor unit recruitment   show
🗑
show Inner mucous membrane layer, such as the innermost tissue layer of the digestive tract.  
🗑
mucosa-associated lymphoid tissue (MALT)   show
🗑
mucous membrane (MYU-kus)   show
🗑
mucus (MYU-kus)   show
🗑
show Acute involuntary muscle contraction that can last for several minutes.  
🗑
muscle fatigue   show
🗑
muscle recruitment   show
🗑
show Involuntary muscle contraction sustained over hours, days, weeks, or months; can lead to problems such as postural adaptations, limited or painful movement, and poor circulation.  
🗑
muscle spindle   show
🗑
show Reflexive contraction of muscles surrounding an injured area to help keep the area still and protected.  
🗑
show One of four major classes of tissue in the body; has the ability to contract.  
🗑
muscle tone   show
🗑
muscular system (MUS-kyu-lar)   show
🗑
muscularis (mus-kyu-LAIR-is)   show
🗑
show Tissue zone where muscle transitions to tendon.  
🗑
myelin (MY-eh-lin)   show
🗑
myocardium (my-o-KAR-dee-um)   show
🗑
show Connective tissue links between muscles, bones, and fascial membranes that provide a pathway for the mechanical communication of tension throughout the body.  
🗑
myofibril (my-o-FY-bril)   show
🗑
show Thin protein strand found within a muscle cell; made of actin or myosin.  
🗑
show Oxygen-transporting protein of muscle; provides an immediate source of oxygen to the cell when needed.  
🗑
show Thick protein myofilaments in a muscle sarcomere.  
🗑
show Nostrils.  
🗑
show Pertaining to the nose.  
🗑
nasal cavity (NAY-zuhl KAV-ih-tee)   show
🗑
show Cartilage and bony divider that separates the nasal cavity.  
🗑
natural killer (NK) cell   show
🗑
naturally acquired immunity   show
🗑
negative feedback   show
🗑
nephron (NEF-ron)   show
🗑
show Bundle of nerve fibers in the peripheral nervous system.  
🗑
nerve fiber   show
🗑
show Electrochemical signal that travels along a neuron; also known as an action potential .  
🗑
nerve root   show
🗑
show Body system made up of the brain, spinal cord, and peripheral nerves; works with the endocrine system for communication, coordination, and control of all other body systems.  
🗑
show One of four major classes of tissue in the body; found in the nervous system only.  
🗑
show Plasma membrane of a Schwann cell (alternate spelling: neurolemma).  
🗑
neuroadaptation (nur-o-ad-dap-TAY-shun)   show
🗑
neurofascial loops (nur-o-FASH-al)   show
🗑
show Cell of the nervous system that supports and protects neurons; also known as glial cell (plural: neuroglia).  
🗑
neuromuscular junction (nur-o-MUS-kyu-lar)   show
🗑
neuromuscular reflex (nur-o-MUS-kyu-lar)   show
🗑
neuron (NUR-on)   show
🗑
neuronal pathway (nur-RON-al)   show
🗑
nociceptor (no-see-SEP-tor)   show
🗑
show Gap between Schwann cells along a myelinated axon where depolarization and repolarization can occur.  
🗑
nodule (NAH-jool)   show
🗑
show Organic molecules made of carbon, hydrogen, oxygen, nitrogen, and phosphorous atoms; primary structural component of DNA and RNA molecules.  
🗑
show Large cellular organelle that contains DNA.  
🗑
obligatory load (uh-BLIG-ah-tor-ee)   show
🗑
show Pertaining to the back of the head; posterior region of the skull.  
🗑
show Pertaining to the posterior elbow (the point of the elbow).  
🗑
show Sense of smell; perceiving and distinguishing odors.  
🗑
show Osmotic pressure induced by proteins in blood and interstitial fluid.  
🗑
oral (OR-uhl)   show
🗑
show Pertaining to the eye.  
🗑
show Group of tissues working together to accomplish specific tasks.  
🗑
show Differentiated structure within a cell that carries out specific functions.  
🗑
show Having a bony or bone-like consistency or structure.  
🗑
show Bone-building cell.  
🗑
osteoclast (AH-stee-o-klast)   show
🗑
osteocyte (AH-stee-o-site)   show
🗑
osteogenic (ah-stee-o-JEN-ik)   show
🗑
osteokinematics (ah-stee-oh-kin-neh-MAT-iks)   show
🗑
osteon (AHS-tee-on)   show
🗑
show Pertaining to the ear.  
🗑
ovary (O-vuh-ree)   show
🗑
show One of two short muscular tubes that carry eggs from the ovary to the uterus; also known as a fallopian tube.  
🗑
ovulation (ahv-yu-LAY-shun)   show
🗑
ovum (OH-vum)   show
🗑
show Cumulative deficit of oxygen that results from a period of exercise; leads to deep and rapid breathing after exertion has stopped in order to obtain more oxygen. oxytocin (ahks-ee-TO-sin)  
🗑
Pacinian corpuscle   show
🗑
pain threshold   show
🗑
show The amount of pain a person can withstand.  
🗑
pallor (PAL-or)   show
🗑
show Pertaining to the palm of the hand.  
🗑
show Elongated glandular organ situated behind the stomach that secretes pancreatic juice and the hormones insulin and glucagon; classified as both an exocrine gland (digestive functions) and endocrine gland (islet cells).  
🗑
show Tube that carries pancreatic juice from the pancreas to the duodenum.  
🗑
pancreatic islets (pan-kree-AT-ik Y-lets)   show
🗑
papillary region (PAP-pih-lair-ee)   show
🗑
show Muscle whose fibers are all the same length and in parallel arrangement.  
🗑
parasympathetic (pair-ah-sim-pah-THET-ik)   show
🗑
parathyroid gland (pair-ah-THY-royd)   show
🗑
parathyroid hormone (PTH) (pair-ah-THY-royd)   show
🗑
show Pertaining to the outer layer of a serous membrane that lines a body cavity.  
🗑
show Cellular transport mechanism that does not require the use of energy.  
🗑
patellar (pah-TEL-ahr)   show
🗑
pathogen (PATH-o-jen)   show
🗑
pathology (path-AHL-o-jee)   show
🗑
pectoral (PEK-tor-al)   show
🗑
pedal (PEE-duhl)   show
🗑
show Pertaining to the hip girdle.  
🗑
penis (PEE-nis)   show
🗑
pennate muscle (PEN-ayt)   show
🗑
pepsin (PEP-sin)   show
🗑
show Compound made up of a chain of three to 49 amino acids.  
🗑
perception (per-SEP-shun)   show
🗑
show Small canal (channel) in dense bone that communicates with the haversian canals, allowing for the passage of blood vessels into the bone; Volkmann’s canal.  
🗑
show Connective tissue sac that surrounds the heart.  
🗑
show Thin connective tissue layer surrounding each fascicle within a muscle.  
🗑
perineum (pair-uh-NEE-um)   show
🗑
show Connective tissue covering that binds multiple nerve fibers together to create a fascicle.  
🗑
periosteum (pair-ee-AH-stee-um)   show
🗑
show Primary division of the nervous system consisting of the nerves and ganglia that connect the various parts of the body with the central nervous system.  
🗑
show Forces within the cardiovascular network that resist blood flow, including the elasticity of blood vessels, the size of lumens, and blood viscosity.  
🗑
show Wave-like contraction of the smooth muscle layer that propels contents forward through a muscular tube.  
🗑
show Serous membrane that covers the abdominal organs and lines the abdominal cavity.  
🗑
permissive effect   show
🗑
Peyer’s patch (PY-uhrz)   show
🗑
show Scale used to measure a compound’s acidity or alkalinity.  
🗑
phagocyte (FAG-o-site)   show
🗑
phagocytosis (fag-o-sy-TO-sis)   show
🗑
pharynx (FAIR-inks)   show
🗑
phasic muscle (FAY-zik)   show
🗑
show Type of protein secreted by apocrine glands.  
🗑
show Sensory receptor that is sensitive to light.  
🗑
physiologic effects (fiz-ee-ah-LOJ-ik)   show
🗑
show Thin and delicate innermost layer of the meninges.  
🗑
show Small electrical charge along a cell or tissue surface created by mechanical pressure.  
🗑
pineal gland (PY-nee-al)   show
🗑
show Active transport mechanism by which extracellular fluid is taken into a cell; “cell drinking.”  
🗑
pituitary gland (pih-TOO-ih-tair-ee)   show
🗑
show Type of synovial joint in which the round articular surface of one bone fits into the bony ring of another; allows rotation around a single axis.  
🗑
show Blood-rich membrane that serves as a protective barrier, providing oxygen and nutrients for the fetus and carrying away fetal waste products.  
🗑
show Pertaining to the sole of the foot.  
🗑
plantar flexion (PLAN-tahr FLEK-shun)   show
🗑
show Fluid or liquid component of blood.  
🗑
show Specialized B lymphocyte produced during an antibody-mediated immune response that produces and releases antibodies.  
🗑
plasma membrane (PLAZ-mah MEM-brayn)   show
🗑
show Osmotic pressure created by plasma proteins within the capillary to draw fluid in from the interstitium.  
🗑
show Protein elements in the liquid component of blood, including albumins, complements, clotting factors, and antibodies.  
🗑
show Capacity to be molded, changed, or functionally modified; e.g., nervous or fascial plasticity.  
🗑
platelet (PLAYT-let)   show
🗑
pleura (PLUR-ah)   show
🗑
show Circular folds in the lining of the small intestine that increase the surface area for absorption.  
🗑
show Structure of the brain stem that forms a bridge connecting the medulla with the midbrain.  
🗑
popliteal (pop-lah-TEE-al)   show
🗑
posterior (po-STEER-ee-or)   show
🗑
show Small ring of smooth muscle that encircles the entrance of the capillary at the end of the arteriole; controls the blood volume and rate of flow into the capillary.  
🗑
show Second phase of the healing process that involves the creation of granulation tissue and the beginning of collagen remodeling; also known as the subacute stage .  
🗑
propagation (prop-ah-GAY-shun)   show
🗑
proprioception (pro-pree-o-SEP-shun)   show
🗑
proprioceptor (pro-pree-o-SEP-tor)   show
🗑
show Any of a group of locally acting hormone-like compounds derived from fatty acids and released by virtually all cells except red blood cells; effects on surrounding tissue include alteration of fat metabolism and enhancing the inflammatory response.  
🗑
prostate (PRAH-stayt)   show
🗑
show Organic molecule made of carbon, hydrogen, oxygen, and nitrogen; breaks down into amino acids.  
🗑
protein synthesis (PRO-teen SIN-thuh-sis)   show
🗑
show In extremities, closer to the attachment point to the body.  
🗑
show Arising from the mind.  
🗑
show Study of the communication links between the nervous, endocrine, immune, and digestive systems.  
🗑
pubic (PYOO-bik)   show
🗑
show Cardiovascular circulatory pathway between the heart and lungs.  
🗑
pulmonary valve (PUL-muh-nair-ee)   show
🗑
pulse   show
🗑
Purkinje fibers (PUR-kin-jee)   show
🗑
show Whitish fluid mixture of interstitial fluid, destroyed pathogens, phagocytes, and living or dead white blood cells.  
🗑
show Smooth muscle ring between the stomach and duodenum that controls the flow of chyme from the stomach into the small intestine.  
🗑
show Lower portion of the stomach.  
🗑
show Organic compound formed as an end product of glycolysis, the anaerobic phase of glucose metabolism; may be converted to lactic acid in muscle tissue.  
🗑
show Extent or range of movement of a joint measured in degrees (as in degrees of a circle).  
🗑
reabsorption (ree-ab-SORP-shun)   show
🗑
show Sensory organs that are sensitive to specific types of stimuli.  
🗑
reciprocal inhibition (ree-SIP-roh-kal in-hih-BIH-shun)   show
🗑
rectum (REK-tum)   show
🗑
red blood cell (RBC)   show
🗑
show Pain felt in body areas that are distant from the location of the affected organ; generally associated with visceral pain.  
🗑
reflex (REE-fleks)   show
🗑
show Simple neuronal pathway involving two or three neurons that produces a predictable motor response to a specific sensory stimulus.  
🗑
show The time following an effective stimulus during which the neuron is unable to respond to another threshold stimulus because its membrane has not yet repolarized.  
🗑
show Group of hormones synthesized and released by the hypothalamus that stimulate hormone releases from the anterior pituitary gland.  
🗑
remodeling   show
🗑
remodeling stage   show
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show Pertaining to the kidneys.  
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renal capsule (REE-nal KAP-sul)   show
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show Initial portion of a nephron comprising the glomerulus and Bowman’s capsule.  
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show Outer region of the kidney.  
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show Inner region of the kidney.  
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show Region of the kidney where urine is collected before being passed into the ureter.  
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show Triangle-shaped bundle of microscopic tubes within the renal medulla that collect urine from a specific group of nephrons.  
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renal tubule (REE-nal TOO-byul)   show
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repolarization (ree-po-lah-ry-ZAY-shun)   show
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show Body system consisting of gonads and accessory organs responsible for male and female sexual characteristics and reproductive processes.  
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show The part of the stress response with longer-term effects; endocrine activity initiated when stress stimulus is sustained beyond the ability of the alarm response to manage.  
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show Process of breaking down bone tissue.  
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respiration (res-pih-RAY-shun)   show
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respiratory membrane (RES-peh-rah-tor-ee)   show
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show Mucous membrane that lines the respiratory tract.  
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respiratory system (RES-peh-rah-tor-ee)   show
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show Thin collagen-like fibers made from the protein reticulin.  
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reticular formation (reh-TIK-yu-lar)   show
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show Type of thin, delicate collagen that makes up reticular fibers in connective tissues.  
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retina (REH-tih-nah)   show
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show Nucleic acid that copies portions of DNA to be translated by ribosomes to make proteins.  
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ribosome (RY-buh-zome)   show
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show One of the two largest deep lymphatic vessels; collects lymph from the right upper quadrant of the body and returns it to the right subclavian vein.  
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rod   show
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show Movement about a fixed point in a single axis that can occur in any plane.  
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Ruffini’s corpuscle (ru-FEE-neez KOR-puh-sal)   show
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rugae (ROO-gy)   show
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sacral (SA-kral)   show
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show Type of synovial joint in which bone surfaces are shaped like a saddle; allows flexion, extension, abduction, and adduction.  
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show Vertical plane that divides the body or a body part into right and left sections.  
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show Secretion of the salivary glands.  
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saltatory conduction (SAHL-tah-tor-ee kahn-DUK-shun)   show
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show Plasma membrane of a muscle fiber.  
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show Contractile unit within a muscle fiber made up of a repetitive pattern of actin and myosin filaments.  
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show Cytoplasm of a muscle fiber.  
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show Endoplasmic reticulum of a muscle fiber.  
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show Pertaining to the shoulder blade.  
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scoliosis (sko-lee-O-sis)   show
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scrotum (SKRO-tum)   show
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sebaceous gland skin. sebum (SEE-bum)   show
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secondary edema (eh-DEE-mah)   show
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show Method of action for water-soluble hormones; the hormone is the first messenger, and the cyclic adenosine monophosphate (cAMP) produced inside the cell is the second.  
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secretion (seh-KREE-shun)   show
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segmentation (seg-men-TAY-shun)   show
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semen (SEE-men)   show
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semicircular canal (sem-ee-SER-kyu-lar)   show
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show One of two ducts that secrete a thick alkaline fluid that is a primary component of semen.  
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seminiferous tubules (sem-ih-NIF-er-us TOO-byulz)   show
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show Impression created by the interpretation of a sensory stimulus by the brain, such as hot, cold, yellow, round, and so on.  
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show Sensory nerve ending that is sensitive to a specific change in the environment (stimulus).  
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show Dividing wall of tissue.  
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sequela (seh-KWEL-ah)   show
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serosa (seh-RO-sah)   show
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show Fluid secreted by a serous membrane.  
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serous membrane (SEER-us)   show
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show Process of producing offspring that requires the joining of one male and one female sex cell.  
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show Short S-shaped segment at the distal end of the descending colon.  
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show Objective indicator of disease that is usually measurable.  
🗑
show Collection of autorhythmic cardiac muscle cells located in the wall of the right atrium just inferior to the opening of the superior vena cava; acts as the heart’s pacemaker.  
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show Cavity inside a structure, such as within a bone.  
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show Body system consisting of the bones and joints.  
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specific immune response   show
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sperm   show
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sphincter (SFINGK-ter)   show
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spinal (SPY-nal)   show
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show Cavity that contains the spinal cord; one of the two dorsal cavities.  
🗑
show Nerve originating from the spinal cord.  
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spinal segment (SPY-nal)   show
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show Large vascular lymphoid organ located in the upper left abdominal quadrant; functions include lymphocyte and platelet storage, blood filtering, and serving as an emergency blood reserve.  
🗑
show Point of intersection in the large intestine between the transverse and descending colons.  
🗑
spongy bone (SPUN-jee)   show
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show Joint injury in which ligaments are stretched or torn.  
🗑
show Muscle that stabilizes or fixes the origin end of a prime mover so that the movement is more efficient; also known as the fixator.  
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stem cell   show
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sternal (STER-nal)   show
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show Lipid-soluble hormone made from cholesterol.  
🗑
stimulus (STIM-yu-lus)   show
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stomach (STUH-mak)   show
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strain   show
🗑
show Layers (singular: stratum).  
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show Group of physiologic responses initiated by the hypothalamus when stress is perceived; includes the alarm response of the autonomic nervous division and the resistance reaction of the endocrine system.  
🗑
stretch reflex   show
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structural effects (STRUK-chur-al)   show
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show Second phase of the healing process that involves the creation of granulation tissue and the beginning of collagen remodeling; also known as the proliferative stage .  
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subcutaneous layer (sub-kyu-TAY-nee-us)   show
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submucosa (sub-myu-KO-sah)   show
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sudoriferous gland (soo-duh-RIF-er-us)   show
🗑
show Shallow groove or depression, as in the cerebrum (plural: sulci).  
🗑
show Closer to the surface.  
🗑
superficial fascia (soo-per-FISH-al FASH-ah)   show
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show Above; closer to head; cephalad.  
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suppressor T cell (suh-PRES-or)   show
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show Endocrine gland situated on top of each kidney; also known as the adrenal gland .  
🗑
sural (SUR-uhl)   show
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show Fibrous line of junction or an immovable joint between two bones, as in the skull; also the surgical process of closing a wound or joining tissues using stitches.  
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sympathetic (sim-pah-THET-ik)   show
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show Chain of sympathetic ganglia beside the vertebral column; also known as the paravertebral chain .  
🗑
show Subjective indicator of disease as perceived by the patient; not easily measured or quantified.  
🗑
show Functional junction point between a neuron and another neuron or an effector.  
🗑
synaptic bulb (sin-NAP-tik)   show
🗑
show Tiny gap between the presynaptic and postsynaptic neurons across which the neurotransmitter diffuses.  
🗑
synarthrosis (sin-ar-THRO-sis)   show
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synergist (SIN-er-jist)   show
🗑
show Effect of two hormones working together to enhance or intensify a target’s response beyond that which occurs when each hormone acts singly.  
🗑
synovial fluid (sin-O-vee-ahl)   show
🗑
show Joint with a fibrous capsule and synovial lining that allows free movement; also known as a diarthrosis .  
🗑
show Thin connective tissue lining of the fibrous capsule in diarthrotic joints and bursas.  
🗑
system (SIS-tum)   show
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systemic circuit (sis-TEM-ik)   show
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systemic effects (sis-TEM-ik)   show
🗑
show Contraction state of a heart chamber.  
🗑
T cell   show
🗑
tactile receptor (TAK-tuhl ree-SEP-tor)   show
🗑
show Pertaining to the ankle.  
🗑
taste bud   show
🗑
temporal (TEM-per-al)   show
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tender point (TeP)   show
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tendinopathy (ten-dih-NAHP-uh-thee)   show
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tendon (TEN-duhn)   show
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show Tissue zone where a tendon transitions and weaves into the periosteum to attach to a bone.  
🗑
show System in which tension between two opposing forces is balanced to create structural integrity; a contraction for “tension integrity” structuring  
🗑
thrombocyte (THRAHM-bo-site)   show
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thromboembolism (thrahm-bo-EM-bo-lih-zum)   show
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thrombus (THRAHM-bus)   show
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thymosin (THY-mah-sin)   show
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thymus (THY-mus)   show
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thyroid gland (THY-royd)   show
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thyroid hormone (THY-royd)   show
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thyroid-stimulating hormone (TSH) (THY-royd)   show
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show Hormone produced by the thyroid gland that increases cellular metabolism.  
🗑
tissue (TISH-yu)   show
🗑
show Sustained muscle contraction in which low-grade tension is maintained, as occurs in maintaining posture.  
🗑
show Small mass of lymphoid tissue located in the mucous membranes of the mouth and throat.  
🗑
show Small beam or partitioning structure (plural: trabeculae).  
🗑
trachea (TRAY-kee-uh)   show
🗑
show Bundle of myelinated axons within the spinal cord.  
🗑
show Process of converting a stimulus to an action potential; the first step in translating a stimulus to a pain perception.  
🗑
transferrin (tranz-FAIR-in)   show
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transmission (tranz-MIH-shun)   show
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transverse colon (TRANZ-vers KO-lun)   show
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transverse plane (TRANZ-vers)   show
🗑
show Edema related to soft tissue damage, such as that resulting from sprains, strains, or contusions.  
🗑
tricuspid valve (try-KUSS-pid)   show
🗑
show Lipid molecule absorbed from the digestive tract for metabolism by the body.  
🗑
triiodothyronine (try-y-o-do-THY-ruh-neen)   show
🗑
show Large condyle on the proximal femur.  
🗑
show Protein molecule that is the basic structural unit of collagen; consists of three coiled polypeptide chains, giving it a triple-helix appearance.  
🗑
show Small mound or elevation; a rounded projection from a bone.  
🗑
show Large projection or protuberance, especially at the end of a bone, where a muscle or tendon attaches.  
🗑
show Sudden spasmodic muscle contraction.  
🗑
show Localized lesion in the skin or mucous membrane; often an open sore that heals slowly.  
🗑
umbilical (um-BIL-ih-kal)   show
🗑
umbilical cord (um-BIL-ih-kal)   show
🗑
show Byproduct of amino acid catabolism created from ammonia and excreted in urine.  
🗑
ureter (YUR-uh-ter)   show
🗑
show Narrow tube that carries urine from the urinary bladder to the external environment; in males, also carries semen.  
🗑
urinary system (YUR-eh-nair-ee)   show
🗑
show Process of passing urine out of the urethra; also known as micturition .  
🗑
urine (YUR-in)   show
🗑
uterus (YOO-teh-rus)   show
🗑
show Muscular genital canal between the cervix and exterior environment; also called the birth canal .  
🗑
show Tube that carries sperm out of the epididymis and over the posterior side of the bladder to the ejaculatory duct.  
🗑
vasoconstriction (vay-zo-kahn-STRIK-shun)   show
🗑
show Increase in the size of the lumen of a blood vessel caused by the relaxation of the smooth muscle within the vessel’s wall.  
🗑
vasopressin (vay-zo-PRESS-in)   show
🗑
vein (VAYN)   show
🗑
show Movement of air into and out of the lungs; breathing.  
🗑
show Front; also known as anterior .  
🗑
ventricle (VEN-trih-kal)   show
🗑
show Small vein.  
🗑
vertebral (ver-TEE-bral)   show
🗑
show Small sac containing liquid inside cells or tissues.  
🗑
show Small space at the base of the semicircular canals of the inner ear that contains mechanoreceptors responsible for static equilibrium.  
🗑
villi (VIH-ly)   show
🗑
show Pertaining to an organ or to the serous membrane layer that surrounds an organ.  
🗑
show Gland or organ with smooth or cardiac muscle innervated via autonomic pathways.  
🗑
viscoelasticity (vis-ko-ee-las-TIS-ih-tee)   show
🗑
show Fat- or water-soluble micronutrient necessary for proper growth and normal metabolism.  
🗑
vocal cord (VO-kuhl)   show
🗑
volar (VO-lar)   show
🗑
show Small canal (channel) in dense bone that communicates with the haversian canals, allowing for the passage of blood vessels into the bone; perforating canal.  
🗑
vulva (VUL-vah)   show
🗑
show Zone between lymphotomes.  
🗑
show Hormone that is easily transported in blood and requires a second messenger to stimulate metabolic changes in target cells.  
🗑
show Formed element of blood that plays a vital role in the body’s healing and immune responses; includes neutrophils, basophils, eosinophils, lymphocytes, and monocytes; also known as a leukocyte .  
🗑
show Areas of the brain or spinal cord made primarily of the myelinated axons of neurons.  
🗑
zygote (ZY-gote)   show
🗑


   

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