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Digestive Sysytem
Digestive terms
| Term | Definition |
|---|---|
| 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. |
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