small 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.

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small intestine

n

(Life Sciences & Allied Applications / Anatomy) the longest part of the alimentary canal, consisting of the duodenum, jejunum, and ileum, in which digestion is completed Compare large intestine

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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.

Thesaurus

Noun

1.

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