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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. |