
| 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. |
The upper portion of the intestines, extending from the stomach to the large intestine, where the digestion of food takes place. The small intestine is about twenty feet long in adults.
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.