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General Anatomy

Cosmetology

TermDefinition
-ology Word ending meaning 'study of'.
abductor digiti minimi Muscle that separates the fingers and the toes.
abductor hallicus Muscle that moves the toes and helps maintain balance while walking and standing.
abductors Muscles that draw a body part, such as a finger, arm, or toe, away from the midline of the body or of an extremity.
adductors Muscles that draw a body part, such as a finger, arm, or toe, inward toward the median axis of the body or of an extremity.
adipose tissues Technical term for fat; gives smoothness and contour to the body.
adrenal glands Glands of the endocrine system that secrete about 30 steroid hormones and control metabolic processes of the body, including the fight or flight response.
anabolism Constructive metabolism, the process of building up larger molecules from smaller ones.
anatomy Study of human body structures that can be seen with the naked eye and how the body parts are organized; the science of the structure of organisms or their parts.
angular artery Branch of the facial artery that supplies blood to the side of the nose.
anterior auricular artery Branch of the superficial temporal artery that supplies blood to the front part of the ear.
anterior tibial artery One of the popliteal arteries that supplies blood to the lower leg muscles and to the muscles and skin on the top of the foot and adjacent sides of the first and second toes. This artery continues to the foot where it becomes the dorsalis pedis artery.
aorta The largest artery in the body.
arteries Thick-walled, muscular, flexible tubes that carry oxygenated blood away from the heart to the arterioles.
arterioles Small arteries that deliver blood to capillaries.
atrium Upper, thin-walled chamber of the heart through which blood is pumped to the ventricles. There is a right atrium and a left atrium
auricularis anterior Muscle in front of the ear that draws the ear forward.
auricularis posterior Muscle behind the ear that draws the ear backward.
auricularis superior Muscle above the ear that draws the ear upward.
auriculotemporal nerve Branch of the fifth cranial nerve that affects the external ear and skin above the temple, up to the top of the skull.
autonomic nervous system Abbreviated ANS; the part of the nervous system that controls the involuntary muscles; regulates the action of the smooth muscles, glands, blood vessels, heart, and breathing.
axon The extension of a neuron through which impulses are sent away from the body to other neurons, glands, or muscles.
axon terminal The extension of a neuron through which impulses are sent away from the body to other neurons, glands, or muscles.
belly Middle part of the muscle.
bicep Muscle that produces the contour of the front and inner side of the upper arm; lifts the forearm and flexes the elbow.
blood Nutritive fluid circulating through the circulatory system (heart and blood vessels) to supply oxygen and nutrients to cells and tissues and to remove carbon dioxide and waste from them.
blood vessels Tube-like structures that include arteries, arterioles, capillaries, venules, and veins.
body systems Also known as systems; groups of body organs acting together to perform one or more functions. The human body is composed of 11 major systems.
brain Part of the central nervous system contained in the cranium; largest and most complex nerve tissue and controls sensation, muscles, activity of glands, and the power to think, sense, and feel.
buccal nerve Branch of the seventh cranial nerve that affects the muscles of the mouth.
buccinator muscle Thin, flat muscle of the cheek between the upper and lower jaw that compresses the cheeks and expels air between the lips.
capillaries Tiny thin-walled blood vessels that connect the smaller arteries to the venules. Capillaries bring nutrients to the cells and carry away waste materials.
cardiac muscle The involuntary muscle that is the heart. This type of muscle is not found in any other part of the body.
carpus Also known as wrist; flexible joint composed of a group of eight small, irregular bones (carpals) held together by ligaments.
catabolism The phase of metabolism that involves the breaking down of complex compounds within the cells into smaller ones. This process releases energy that has been stored.
cell membrane Cell part that encloses the protoplasm and permits soluble substances to enter and leave the cell.
cells Basic units of all living things, from bacteria to plants to animals, including human beings.
central nervous system Abbreviated CNS; consists of the brain, spinal cord, spinal nerves, and cranial nerves.
centrioles Structures in a cell near the nucleus that move to each side during the mitosis process to help divide the cell.
cervical cutaneous nerve Cervical nerve located at the side of the neck; affects the front and sides of the neck as far down as the breastbone.
cervical nerves Branches of the seventh cranial nerve; originate at the spinal cord and affect the side of the neck and platysma muscle.
cervical vertebrae The seven bones of the top part of the vertebral column, located in the neck region.
circulatory system Also known as cardiovascular system or vascular system; body system that controls the steady circulation of the blood through the body by means of the heart and blood vessels.
clavicle Also known as the collarbone; bone that joins the sternum and scapula.
common carotid arteries Main arteries that supply blood to the head, face, and neck.
common peroneal nerve A division of the sciatic nerve that extends from behind the knee to wind around the head of the fibula to the front of the leg where it divides into two branches.
connective tissue Fibrous tissue that binds together, protects, and supports the various parts of the body. Examples of connective tissue are bone, cartilage, ligaments, tendons, blood, lymph, and fat.
corrugator muscle Muscle located beneath the frontalis and orbicularis oculi muscles that draws the eyebrows down and wrinkles the forehead vertically.
cranium An oval, bony case that protects the brain.
cytoplasm The protoplasm of a cell, except for the protoplasm in the nucleus, that surrounds the nucleus; the watery fluid that cells need for growth reproduction and self repair.
deep peroneal nerve Also known as anterior tibial nerve; extends down the front of the leg, behind the muscles. It supplies impulses to these muscles and also to the muscles and skin on the top of the foot and adjacent sides of the first and second toes.
deltoid Large, triangular muscle covering the shoulder joint that allows the arm to extend outward and to the side of the body.
dendrites Tree-like branching of nerve fibers extending from the nerve cell; carry impulses toward the cell and receive impulses from other neurons.
depressor labii inferioris muscle Also known as quadratus labii inferioris muscle; muscle surrounding the lower lip; lowers the lower lip and draws it to one side, as in expressing sarcasm.
diaphragm Muscular wall that separates the thorax from the abdominal region and helps control breathing.
digestive enzymes Chemicals that change certain types of food into a soluble (capable of being dissolved) form that can be used by the body.
digestive system Also known as gastrointestinal system; body system that is responsible for breaking down foods into nutrients and wastes; consists of the mouth, stomach, intestines, salivary and gastric glands, and other organs.
digital nerve Sensory-motor nerve that, with its branches, supplies impulses to the fingers.
dorsal nerve Also known as dorsal cutaneous nerve; a nerve that extends up from the toes and foot, just under the skin, supplying impulses to toes and foot, as well as the muscles and skin of the leg, where it becomes the superficial peroneal nerve.
dorsalis pedis artery Artery that supplies blood to the foot.
eleventh cranial nerve Also known as accessory nerve; a motor nerve that controls the motion of the neck and shoulder muscles.
endocrine glands Also known as ductless glands; glands such as the thyroid and pituitary gland that release hormonal secretions directly into the bloodstream.
endocrine system Body system consisting of a group of specialized glands that affect the growth, development, sexual functions, and health of the entire body.
epicranial aponeurosis Tendon that connects the occipitalis and frontalis muscles.
epicranius Also known as occipitofrontalis; the broad muscle that covers the top of the skull and consists of the occipitalis and frontalis.
epithelial tissue Protective covering on body surfaces, such as skin, mucous membranes, the tissue inside the mouth, the lining of the heart, digestive and respiratory organs, and the glands.
ethmoid bone Light spongy bone between the eye sockets; forms part of the nasal cavities.
excretory system Body system that consists of a group of organs, including the kidneys, liver, skin, large intestine, and lungs, that are responsible for purifying the body by eliminating waste matter.
exhalation Breathing outward; expelling carbon dioxide (collected from the blood) from the lungs.
exocrine glands Also known as duct glands; produce a substance that travels through small tube-like ducts; sweat glands and oil glands of the skin belong to this group.
extensor digitorum longus Muscle that bends the foot up and extends the toes.
extensor hallucis longus Muscle that extends the big toe and flexes the foot.
extensors Muscles that straighten the wrist, hand, and fingers to form a straight line.
external carotid artery Artery that supplies blood to the anterior (front) parts of the scalp, ear, face, neck, and sides of the head.
external jugular vein Vein located at the side of the neck that carries blood returning to the heart from the head, face, and neck.
eyes Body organs that control the body's vision.
facial artery Also known as external maxillary artery; branch of the external carotid artery that supplies blood to the lower region of the face, mouth, and nose.
facial skeleton Framework of the face composed of 14 bones.
femur Heavy, long bone that forms the leg above the knee.
fibula Smaller of the two bones that form the leg below the knee. The fibula may be visualized as a bump on the little toe side of the ankle.
fifth cranial nerve Also known as the trifacial or tigeminal nerve; the chief sensory nerve of the face that serves as the motor nerve of the muscles that control chewing.
flexor Extensor muscle of the wrist involved in flexing the wrist.
flexor digiti minimi Muscle that moves the little toe.
flexor digitorum brevis Muscle that moves the toes and helps maintain balance while walking and standing.
frontal artery Branch of the superficial temporal artery that supplies blood to the forehead and upper eyelids.
frontal bone Bone that forms the forehead.
frontalis Front (anterior) portion of the epicranius; muscle of the scalp that raises the eyebrows, draws the scalp forward, and causes wrinkles across the forehead.
gastrocnemius Muscle attached to the lower rear surface of the heel and pulls the foot down.
glands Organs that remove and release certain elements from the blood to convert them into new compounds.
greater auricular nerve Cervical nerve that is located at the side of the neck; affects the face, ears, neck, and parotid gland.
greater occipital nerve Cervical nerve that is located in the back of the head; affects the scalp as far up as the top of the head.
heart Muscular, cone-shaped organ that keeps the blood moving within the circulatory system.
hemoglobin Complex iron protein in red blood cells that binds to oxygen; gives blood color.
histology Also known as microscopic anatomy; the study of tiny structures found in living tissue.
hormones Secretions, such as insulin, adrenaline, and estrogen, that stimulate functional activity or other secretions in the body. Hormones influence the welfare of the entire body.
humerus Uppermost and largest bone in the arm, extending from the elbow to the shoulder.
hyoid bone U-shaped bone at the base of the tongue that supports the tongue and its muscles.
inferior labial artery Branch of the facial artery that supplies blood to the lower lip.
infraorbital artery Branch of the internal carotid artery that supplies blood to the muscles of the eye.
infraorbital nerve Branch of the fifth cranial nerve that affects the skin of the lower eyelid, side of the nose, upper lip, and mouth.
infratrochlear nerve Branch of the fifth cranial nerve that affects the membrane and skin of the nose.
inhalation Breathing in through the nose or mouth.
insertion The movable part of the muscle that is farthest from the skeleton.
integumentary system Body system that consists of skin and its accessory organs, such as the oil and sweat glands, sensory receptors, hair, and nails; serves as a protective covering and helps regulate the body's temperature.
internal carotid artery Artery that supplies blood to the brain, eyes, eyelids, forehead, nose, and internal ear.
internal jugular vein Vein located at the side of the neck to collect blood from the brain and parts of the face and neck.
interstitial fluid Blood plasma found in the spaces between tissue cells.
intestines Body organ that digests food, along with the stomach.
joint Connection between two or more bones of the skeleton.
kidneys Body organs that excrete water and waste products.
lacrimal bones Small, thin bones located at the front inner wall of the orbits (eye sockets).
latissimus dorsi Large, flat, triangular muscle covering the lower back.
levator anguli oris muscle Also known as caninus muscle; muscle that raises the angle of the mouth and draws it inward.
levator labii superioris muscle Also known as quadratus labii superioris muscle; muscle surrounding the upper lip; elevates the upper lip and dilates the nostrils, as in expressing distaste.
liver Body organ that removes waste created by digestion.
lungs Spongy tissues composed of microscopic cells in which inhaled air is exchanged for carbon dioxide during one breathing cycle; organs of respiration.
lymph Clear fluid that circulates in the lymph spaces (lymphatics) of the body. Lymph helps carry wastes and impurities away from the cells before it is routed back to the circulatory system.
lymph capillaries Blind-end tubes that are the origin of lymphatic vessels.
lymph nodes Gland-like structures found inside lymphatic vessels; filter the lymphatic vessels and help fight infection.
lymphatic/immune system Body system that consists of lymph, lymph nodes, the thymus gland, the spleen, and lymph vessels.
mandible Lower jawbone; largest and strongest bone of the face.
mandibular nerve Branch of the fifth cranial nerve that affects the muscles of the chin, lower lip, and external ear.
marginal mandibular nerve Branch of the seventh cranial nerve that affects the muscles of the chin and lower lip.
masseter Muscles that coordinate with the temporalis and pterygoid muscles to open and close the mouth and bring the jaw forward; sometimes referred to as chewing muscles.
maxillae Bones of the upper jaw.
maxillary nerve Branch of the fifth cranial nerve that supplies impulses to the upper part of the face.
median nerve Sensory-motor nerve that is smaller than the ulner and radial nerves and that, with its branches, supplies the arm and hand.
mental nerve Branch of the fifth cranial nerve that affects the skin of the lower lip and chin.
mentalis muscle Muscle that elevates the lower lip and raises and wrinkles the the skin of the chin.
metabolism Chemical processes that takes place in living organisms, through which the cells are nourished and carry out their activities; metabolism has two phases: anabolism and catabolism
metacarpus Bones of the palm of the hand; parts of the hand containing five bones between the carps and phalanges
metatarsal One of three subdivisions of the foot; long and slender bones, similar to the metacarpal bones of the hand. The other two subdivisions are the tarsal and phalanges.
middle temporal artery Branch of the superficial temporal artery that supplies blood to the temples.
mitosis Usual process of cell reproduction of human tissues that occurs when the cell divides into two identical cells called daughter cells.
mitral valve Also known as bicuspid valve; the valve between the left atrium and the left ventricle of the heart.
motor nerves Also known as efferent nerves; carry impulses from the brain to the muscles or glands.
muscle tissue Tissue that contracts and moves various parts of the body.
muscular system Body system that covers, shapes, and holds the skeleton system in place; muscular system contracts and moves various parts of the body.
myology Study of the nature, structure, function and diseases of the muscles.
nasal bones Bones that form the bridge of the nose.
nasal nerve Branch of the fifth cranial nerve that affects the point and lower side of the nose.
nerve tissue Tissue that carries messages to and from the brain and controls and coordinates all bodily functions.
nerves Whitish cords made up of bundles of nerve fibers held together by connective tissue, through which impulses are transmitted.
nervous system Body system that consists of the brain, spinal cord, and nerves; controls and coordinates all other systems of the body and makes them work harmoniously and efficiently.
neurology Scientific of the structure, function, and pathology of the nervous system.
neuron Also kown as nerve cell; primary structural unit of the nervous system, consists of the cell body, nucleus, dendrites, and axon.
nonstriated muscles Also known as smooth muscles; these muscles are involintary and function automatically without conscious will.
nucleus Dense, active protoplasm found in the center of the cell; plays an important part in cell reproduction and metabolism.
occipital artery Branch of the external carotid artery that supplies blood to the skin and muscles of the scalp and back of the head up to the crown.
occipital bone Hindmost bone of the skull, below the parietal bones; forms the back of the skull above the nape.
occipitalis Back (posterior) portion of the epicranius; muscle that draws the scalp backward.
opthalmic nerve Branch of the fifth cranial nerve that supplies impulses to the skin of the forehead, upper eyelids, and interior portion of the scalp, orbit, eyeball, and nasal passage.
orbicularis oculi muscle Ring muscle of the eye socket; enables you to close your eyes.
orbicularis oris muscle Flat band of muscle around the upper and lower lips that compresses, contracts, puckers, and wrinkles the lips.
organs Structures composed of specialized tissues designed to perform specific functions in plants and animals.
origin Part of the muscle that does not move; attached closest to the skeleton.
os Bone.
osteology The study of anatomy, structure, and function of the bones.
ovaries Female sexual glands of the endocrine system that function in reproduction, as well as determining female sexual characteristics.
pancreas Gland of the endocrine system that secretes enzyme-producing cells that are responsible for digesting carbohydrates, proteins, and fats.
parathyroid glands Glands of the endocrine system that regulate blood calcium and phosphorus levels so that the nervous and muscular systems can function properly.
parietal artery Branch of the superficial temporal artery that supplies blood to the side and crown of the head.
parietal bones Bones that form the sides and top of the cranium.
patella Also known as accessory bone or kneecap; forms the kneecap joint.
pectoralis major Muscles of the chest that assist the swinging movements of the arm.
pectoralis minor Muscles of the chest that assist the swinging movements of the arm.
pericardium Double-layered membranous sac enclosing the heart; made of epithelial tissue.
peripheral nervous system Abbreviated PNS; system of nerves that connects the peripheral (outer) parts of the body to the central nervous system; it has both sensory and motor nerves.
peroneus brevis Muscle that originates on the lower surface of the fibula; bends the foot down and out.
peroneus longus Muscle that covers the outer side of the calf; inverts the foot and turns it outward.
phalanges Also known as digits; bones of the fingers or toes; one of the three subdivisions of the foot. The other two subdivisions are the tarsal and metatarsal.
physiology Study of the functions and activities performed by the body's structures.
pineal gland Endocrine system gland that plays a major role in sexual development, sleep, and metabolism.
pituitary gland It affects almost every physiologic process of the body: growth, blood pressure, contractions during childbirth, breast-milk production, sexual organ functions in both women and men, thyroid gland function, and the conversion of food into energy
plasma Fluid part of the blood in which the red and white blood cells and platelets flow.
platelets Contribute to the blood clotting process which stops bleeding; platelets are much smaller than red blood cells.
platysma muscle Broad muscle extending from the chest and shoulder muscles to the side of the chin; responsible for lowering the lower jaw and lip.
popliteal artery Artery that supplies blood to the foot; divides into two separate arteries known as the anterior tibial artery and the posterior tibial artery.
posterior auricular artery Branch of the external carotid artery that supplies blood to the scalp, the area behind and above the ear, and the skin behind the ear.
posterior auricular nerve Branch of the seventh cranial nerve that affects the muscles behind the ear at the base of the skull.
posterior tibial artery One of the popliteal arteries (the other is the anterior tibial artery) that supplies blood to the ankle and the back of the lower leg.
procerus muscle Muscle that covers the bridge of the nose, lowers the eyebrows, and causes wrinkles across the bridge of the nose.
pronator Muscle that turns the hand inward so that the palm faces downward.
protoplasm Colorless jelly-like substance found inside cells in which food elements such as protein, fats, carbohydrates, mineral salts, and water are present.
pulmonary circulation The system that sends the blood from the heart to the lungs to be purified, then back to the heart again.
radial artery Artery, along with numerous branches, that supplies blood to the thumb side of the arm and the back of the hand; supplies blood to the muscles of the skin, hands, fingers, wrist, elbow, and forearm.
radial nerve Sensory-motor nerve that, with its branches, supplies the thumb side of the arm and back of the hand.
radius Smaller bone in the forearm (lower arm) on the same side as the thumb.
red blood cells Blood cells that carry oxygen from the lungs to the body cells and transport carbon dioxide from the cells back to the lungs.
reflex Automatic reaction to a stimulus that involves the movement of an impulse from a sensory receptor along the sensory nerve to the spinal cord.
reproductive system Body system that includes the ovaries, uterine tubes, uterus, and vagina in the female and the testes, prostate gland, penis, and urethea in the male.
respiration Act of breathing; the exchange of carbon dioxide and oxygen in the lungs and within each cell.
respiratory system Body system consisting of the lungs and air passages; enables respiration (breathing), supplying the body with oxygen and eliminating carbon dioxide.
ribs Twelve pairs of bones forming the wall of the thorax.
risorious muscle Muscle of the mouth that draws the corner of the mouth out and back, as in grinning.
saphenous nerve Nerve of the leg that supplies impulses to the skin of the inner side of the leg and foot.
scapula Also known as shoulder blade; large, flat, triangular bone of the shoulder. There are two scapulas
sciatic nerve Largest and longest nerve in the body
sensory nerves Also known as afferent nerves; carry impulses or messages from the sense organs to the brain, where sensations of touch, cold, heat, sight, hearing, taste, smell, pain, and pressure are experienced.
serratus anterior Muscle of the chest that assists in breathing and in raising the arm.
seventh cranial nerve Also known as facial nerve; chief motor nerve of the face. Its divisions and their branches supply and control all the muscles of facial expression.
skeletal system Forms the physical foundation of the body, composed of 206 bones that vary in size and shape and are connected by movable and immovable joints.
skin Body organ that covers the body and is the external protective coating.
skull Skeleton of the head; divided into two parts: cranium and facial skeleton.
smaller occipital nerve Also known as lesser occipital nerve; cervical nerve located at the base of the skull, affects the scalp and muscles behind the ear.
soleus Muscle that originates at the upper portion of the fibula and bends the foot down.
sphenoid bone Bone that joins all of the bones of the cranium together.
spinal cord Portion of the central nervous system that originates in the brain and extends down to the lower extremity of the trunk. It is protected by the spinal column.
sternum Also known as breastbone; flat bone that forms the ventral (front) support of the ribs.
stomach Body organ that digests food along with the intestines.
strenocleido-mastoideus Muscle of the neck that lowers and rotates the head.
striated muscles Also known as skeletal muscles; muscles that are attached to the bones and that are voluntary or are consciously controlled.
submental artery Branch of the facial artery that supplies blood to the chin and lower lip.
superficial peroneal nerve Also known as musculocutaneous nerve; extends down the leg, just under the skin, supplying impulses to the muscles and the skin of the leg, as well as to the skin and toes on the top of the foot where it becomes the dorsal nerve.
superficial temporal artery A continuation of the external carotid nerve artery; supplies blood to the muscles of the front, side, and top of the head.
superior labial artery Branch of the facial artery that supplies blood to the upper lip and region of the nose.
supinator Muscle of the forearm that rotates the radius outward and the palm upward.
supraorabital nerve Branch of the fifth cranial nerve that affects the skin of the forehead, scalp, eyebrow, and upper eyelid.
supraorbital artery Branch of the internal carotid artery that supplies blood to the upper eyelid and forehead.
supratrochlear nerve Branch of the fifth cranial nerve that affects the skin between the eyes and upper side of the nose.
sural nerve Nerve of the lower left leg that supplies impulses to the skin on the outer side and back of the foot and leg.
systemic circulation Also known as general circulation; system that carries the blood from the heart throughout the body and back again to the heart.
talus Also known as ankle bone; one of three bones that comprise the ankle joint. The other two bones are the tibia and fibula.
tarsal One of three subdivisions of the foot. There are seven bones--talus, calcaneus, navicular, three cuneiform bones, and the cuboid. The other two subdivisions are the metatarsal and the phalanges.
temporal bones Bones that form the sides of the head in the ear region.
temporal nerve Branch of the seventh cranial nerve that affects the muscles of the temple, side of the forehead, eyebrow, eyelid, and upper part of the cheek.
temporalis Muscles that coordinate with the masseter and the pterygoid muscles to open and close the mouth and bring the jaw forward; sometimes referred to as chewing muscles.
testes Male sexual glands of the endocrine system that function in reproduction, as well as determining male sexual characteristics.
thorax Also known as chest of pulmonary trunk; consists of the sternum, ribs, and thoracic vertebrae; elastic, bony cage that serves as a protective framework for the heart, lungs, and other internal organs.
thyroid gland Gland of the endocrine system that controls how quickly the body burns energy (metabolism), makes proteins, and how sensitive the body should be to other hormones.
tibia Larger of the two bones that from the leg below the knee. The tibia may be visualized as a bump on the big toe side of the ankle.
tibial nerve A division of the sciatic nerve that passes behind the knee. It subdivides and supplies impulses to the knee, the muscles of the calf, the skin of the leg, and the sole, heel, and underside of the toes.
tibialis anterior Muscle that covers the front of the shin; bends the foot upward and inward.
tissue Collection of similar cells that perform a particular function.
transverse facial artery Branch of the superficial temporal artery that supplies blood to the skin and masseter muscle.
trapezius Muscle that covers the back of the neck and upper and middle region of the back; rotates and controls swinging movements of the arm.
triangularis muscle Muscle extending alongside the chin that pulls down the corner of the mouth.
tricep Large muscle that covers the entire back of the upper arm and extends the forearm.
tricuspid valve Valve between the right atrium and the right ventricle of the heart.
ulna Inner and larger bone of the forearm (lower arm), attached to the wrist and located on the side of the little finger.
ulnar artery Artery, along with numerous branches, that supplies blood to the muscle of the little-finger side of the arm and palm of the hand.
ulnar nerve Sensory-motor nerve that, with its branches, affects the little-finger side of the arm and palm of the hand.
valves Structures of the heart that temporarily close a passage or permit blood flow in only one direction.
veins Thin-walled blood vessels that are less elastic than arteries; veins contain cup-like valves that keep blood flowing in one direction to the heart and prevent blood from flowing backward.
ventricle A lower, thick-walled chamber of the heart that receives blood pumped from the atrium. There is a right ventricle and a left ventricle.
venules Small vessels that connect the capillaries to the veins. They collect blood from the capillaries and drain it into the veins.
white blood cells Also known as white corpuscles or leukocytes; blood cells that perform the function of destroying disease-causing bacteria.
zygomatic bones Also known as malar bones or cheekbones; bones that form the prominence of the cheeks.
zygomatic nerve Branch of the fifth and seventh cranial nerves that affects the muscles of the upper part of the cheek.
zygomaticus major muscles Muscles on both sides of the face that extend from the zygomatic bone to the angle of the mouth. These muscles pull the mouth backward, upward, and outward, as when you are laughing or smiling.
zygomaticus minor muscles Muscles on both sides of the face that extend from the zygomatic bone to the upper lips. Theses muscles pull the upper lip backward, upward, and outward, as when you are smiling.
Created by: samkohlenberg