small intestine

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. Also called small bowel.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

small intestine

(Anatomy) the longest part of the alimentary canal, consisting of the duodenum, jejunum, and ileum, in which digestion is completed. Compare large intestine

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

in•tes•tine

(ɪnˈtɛs tɪn)

n.

1. Usu., 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.

adj.

4. internal; domestic; civil: intestine strife.

[1525–35; < Latin intestīnum, n. use of neuter of intestīnus internal]

small intestine

The long, narrow, coiled section of the intestine that extends from the stomach to the beginning of the large intestine and in mammals is made up of the duodenum, jejunum, and ileum. Nutrients are absorbed into the bloodstream from the small intestine.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

small intestine

Part of the alimentary canal between the stomach and the large intestine. It includes the duodenum, jejunum, and ileum. Most digestion occurs in the small intestine.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

small intestine - the longest part of the alimentary canal; where digestion is completed

arteria ileum, ileal artery, intestinal artery - branch of the superior mesenteric artery that supplies the ileum

intestinal artery, jejunal artery - an artery that is a branch of the superior mesenteric artery that supplies the jejunum

alimentary canal, alimentary tract, digestive tract, digestive tube, gastrointestinal tract, GI tract - tubular passage of mucous membrane and muscle extending about 8.3 meters from mouth to anus; functions in digestion and elimination

bowel, gut, intestine - the part of the alimentary canal between the stomach and the anus

duodenum - the part of the small intestine between the stomach and the jejunum

jejunum - the part of the small intestine between the duodenum and the ileum

ileum - the part of the small intestine between the jejunum and the cecum

Translations

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