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Digestive Sysytem

Digestive terms

TermDefinition
Digestion the process of breaking down food by mechanical and enzymatic action in the alimentary canal into substances that can be used by the body.
absorption the process or action by which one thing absorbs or is absorbed by another.
elimination the process of getting rid of something, whether it's waste, errors, or the competition.
teeth plural form of tooth
Salivary Glands any of various glands that discharge a fluid secretion and especially saliva into the mouth cavity
Tongue the fleshy muscular organ in the mouth of a mammal, used for tasting, licking, swallowing, and (in humans) articulating speech.
Stomach the internal organ in which the major part of the digestion of food occurs, being (in humans and many mammals) a pear-shaped enlargement of the alimentary canal linking the esophagus to the small intestine
Small intestine the part of the intestine that runs between the stomach and the large intestine; the duodenum, jejunum, and ileum collectively.
Large Intestine the cecum, colon, and rectum collectively
Mastication to grind, crush, and chew (food) with or as if with the teeth in preparation for swallowing.
Peristalsis the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wavelike movements that push the contents of the canal forward.
Gastric Juices a thin, clear, virtually colorless acidic fluid secreted by the stomach glands and active in promoting digestion.
Bile a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder.
Indigestion pain or discomfort in the stomach associated with difficulty in digesting food.
Constipation a condition in which there is difficulty in emptying the bowels, usually associated with hardened feces.
Heartburn a form of indigestion felt as a burning sensation in the chest, caused by acid regurgitation into the esophagus
Peptic Ulcer a lesion in the lining (mucosa) of the digestive tract, typically in the stomach or duodenum, caused by the digestive action of pepsin and stomach acid.
Appendicitis a serious medical condition in which the appendix becomes inflamed and painful.
Gallstones a small, hard crystalline mass formed abnormally in the gallbladder or bile ducts from bile pigments, cholesterol, and calcium salts. Gallstones can cause severe pain and blockage of the bile duct.
Created by: 0628