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med terms 2
terms from chapter 2
Term | Definition |
---|---|
cells | basic structure of all things, functions differ based on anatomical location |
Cell membrane | Semipermeable structure that surrounds and protects the cell. |
Centrioles | Tubular structures that maintain the cell’s shape and move chromosomes during mitosis. |
Chromosomes | Rod-like structures containing regions of DNA called genes. |
Cytoplasm | Material inside the cell membrane that surrounds the nucleus |
DNA | The basic structure of genes that directs cell activity and transmits genetic information; Deoxyribonucleic acid. |
Endoplasmic reticulum | Protein factory where proteins are made from simple materials. |
Smooth endoplasmic reticulum | synthesizes lipids |
Rough endoplasmic reticulum | synthesizes proteins |
Golgi apparatus | Processing factory where proteins are stored, modified, and transported. |
Lysosome | Site of intracellular digestion containing enzymes to disintegrate microorganisms and damaged tissue. |
Mitochondria | Energy factory of the cell in which foods are burned for energy. |
Nucleoplasm | Material within the nucleus. |
Nucleus | The control center of the cell that contains chromosomes. |
Nucleolus | Site of RNA synthesis. |
Protoplasm | Cell membrane, cytoplasm, and nucleus. |
Ribosomes | Structures found in rough endoplasmic reticulum containing RNA, and the site of protein synthesis. |
Vacuole | Fluid-filled cavity containing food, water, or waste products. |
Anabolism | building up complex proteins from simpler substances |
Catabolism | Process of breaking down complex foods into simpler substances. |
Metabolism | The total of the chemical processes in a cell: anabolism + catabolism |
Adipose tissue | Collection of fat cells. |
Connective tissue | Binds and supports various structures. Examples include fat, bone, blood, cartilage. |
Epithelial tissue | epithelium, endothelium, and mesothelium |
Epithelium | lines external and internal body surfaces |
Endothelium | lines organs and blood vessels |
Mesothelium | lines cavities such as the peritoneum |
Skeletal muscle | striated, voluntary muscle controlling movement. |
Cardiac muscle | striated, involuntary muscle controlling the heart. |
Visceral muscle | smooth, involuntary muscle controlling the internal organs |
Nerve tissue | Cells that conduct electrical impulses all over the body. |
Organs | different tissues that work together to perform a specific function |
Systems | a group of different organs that work together to complete a complex function |
Cardiovascular system | Consists of organs such as the heart, veins, arteries, capillaries, and spleen. |
Digestive system | Consists of organs such as the mouth, throat, esophagus, stomach, intestines, pancreas, liver, and gallbladder. |
Endocrine system | Consists organs such as the pancreas, pituitary gland, thyroid gland, ovaries, testes, and adrenal glands. |
Integumentary system | Consist of organs such as the skin, hair (fur), nails, and glands. |
Musculoskeletal system | Consists of organs such as the bones, muscle, and joints. |
Nervous system | Consists of organs such as the brain and spinal cord. |
Reproductive system | Consists of organs such as the ovaries, vagina, uterus, testes, and penis. |
Respiratory system | Consists of organs such as the windpipe, lungs, and heart. |
Urogenital system | Consists of organs such as the kidneys, ureters, urinary bladder, and urethra. |
Abdominal cavity | Cavity containing organs such as the stomach, intestines, spleen, and pancreas. |
Cranial cavity | contains brain |
Spinal cavity | contains spinal cord |
Thoracic cavity | Cavity containing organs such as the heart, lungs, esophagus, and trachea. |
Anatomy | The form and structure of the body. |
Benign | Not malignant, non-invasive; not spreading. |
Cartilage | Flexible connective tissue attached to bones at a joint. |
Diaphram | Thin, muscular partition separating the thoracic and abdominal cavities. |
Endocrine glands | Glands that secrete hormones directly into the bloodstream |
Exocrine glands | Glands that secrete chemicals through tubes everywhere in the body |
Larynx | Voice box |
Lavage | Irrigation or washing out of an organ or cavity. |
Malignant | Tending to become progressively worse. |
Membrane | Thin layer of tissue that covers a surface, lines a cavity, or divides a space or an organ. |
Peritoneum | Membrane surrounding the organs in the abdomen. |
Pharynx | Throat |
Phisiology | Study of the body’s function. |
Trachea | Windpipe |
Umbilicus | Navel |
Ureter | Tube that carries urine from the kidneys to the urinary bladder. |
Urethra | Tube that carries urine from the urinary bladder to the outside of the body. |
Viscera | Internal organs |
Evisceration | Displacement of internal organs outside the cavity that should contain them. |
Hernia | Abnormal protrusion of an organ or tissue through the structure that should contain it |
Prolapse | Abnormal protrusion of an organ or tissue through a natural opening |
Intervertebral disk | Cartilage pad between vertebrae used for cushion and support. |
Spinal cord | Nervous tissue within the spinal cavity. |
Spinal column | Bones surrounding the spinal cavity. |
Vertebra | back bone |
Vertebrae | back bones |
Cheek | Fleshy portion on either side of the face, forming the sides of the mouth and continuing rostrally to the lips. |
Chest | Part of the body between the neck and abdomen; also called the thorax. |
Chin | Anterior prominence of the mandible. |
Elbow | Joint where the humerus, radius, and ulna meet; medically known as the humeroradioulnar joint. |
Flank | Lateral aspect of the body between the ilium and ribs. |
Forehead | Region between the eyes and ears. |
Hock | Common name for the tarsus joint. |
Muzzle | Skin, muscles, and fascia of the upper and lower lip and including the nasal bones. |
Pinna | Flap of the ear; also known as the auricle. |
Rump | Region around the pelvis, hindquarters, and buttocks; also known as the croup or gluteal region. |
Shoulder | Joint where the scapula and humerus meet; medically known as the scapulohumeral joint. |
Stifle | Joint where the femur and tibia meet; medically known as the femorotibial joint. |
Tail | Caudal appendage of the vertebral column made up of caudal vertebrae. |