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Unit 11 k
Circulatory Chapt 14-16
Term | Definition |
---|---|
Gasteroenterology | Study of the digestive system |
Digestion | Physical and chemical breakdown of complex foodstuffs into simpler substances |
Peristalsis | Rhythmical waves of contraction which move food along the gastrointestinal tract |
Mucus | Thick, sticky fluid secreted by some membranes and glands |
Chyme | Nearly liquid mixture of partially digested food and digestive secretions found in the stomach and small intestine |
Intrinsic factor | Mucoprotein found in gastric juice, necessary for the assimilation of Vitamin B12 |
Villi | Short, vascular, threadlike projections covering the mucous membrane of the small intestine |
Sphincter | Ring like muscle fiber which controls an outlet, permitting it to open and close |
Diaphragm | Muscular membrane that separates the abdominal cavity from the thoracic cavity |
Fibrinogen | Protein in the blood, which aids in clotting |
Albumin | One of the simple proteins |
Toxin | Any poisonous substances of microbic, vegetable, mineral, or animal origin |
Cholesterol | Organic fat-like compound found in animal fat, bile, blood, brain, tissue, liver, and other parts of the body |
Antibody | Protein substance in the blood developed by the body usually in reaction to a specific foreign substance |
Feces | Body waste including food residue, bacteria, epithelium, and mucus discharged from the intestines |
Carbohydrates | Starches and sugars |
Hormones | Chemical substance, secreted by an endocrine gland, which regulates the functions of the organs |
Exocrine | External secretion of a gland |
Endocrine | Internal secretion of a gland |