
| 1. | Usually, intestines. the lower part of the alimentary canal, extending from the pylorus to the anus. |
| 2. | Also called small intestine. the narrow, longer part of the intestines, comprising the duodenum, jejunum, and ileum, that serves to digest and absorb nutrients. |
| 3. | Also called large intestine. the broad, shorter part of the intestines, comprising the cecum, colon, and rectum, that absorbs water from and eliminates the residues of digestion. |
| 4. | internal; domestic; civil: intestine strife. |

| small intestine n. The narrow, winding, upper part of the intestine where digestion is completed and nutrients are absorbed by the blood. It extends from the pylorus to the cecum and consists of the duodenum, the jejunum, and the ileum. |
intestine in·tes·tine (ĭn-těs'tĭn)
n.
The portion of the alimentary canal extending from the stomach to the anus and, in humans and other mammals, consisting of two segments, the small intestine and the large intestine.
small intestine n.
The narrow, winding, upper part of the intestine where digestion is completed and nutrients are absorbed by the blood. It extends from the pylorus to the cecum and consists of the duodenum, the jejunum, and the ileum.
intestine (ĭn-těs'tĭn) Pronunciation Key
(click for larger image in new window) The muscular tube that forms the part of the digestive tract extending from the stomach to the anus and consisting of the small and large intestines. In the intestine, nutrients and water from digested food are absorbed and waste products are solidified into feces. See also large intestine, small intestine. |
| small intestine
The long, narrow, coiled section of the intestine that extends from the stomach to the beginning of the large intestine. Nutrients from food are absorbed into the bloodstream from the small intestine. In mammals, it is made up of the duodenum, jejunum, and ileum. |