Definitions

small intestine

NOUN

part of digestive tract

Synonyms

WEAK

duodenum ileum jejunum villus

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Duodenal mucosal resurfacing is an investigational endoscopic treatment that uses controlled heat to remove damaged tissue from the inner lining of the duodenum, the first section of the small intestine just below the stomach.

From Science Daily • Apr. 23, 2026

In humans, intelectin-2 is consistently produced by Paneth cells in the small intestine.

From Science Daily • Mar. 16, 2026

Charles-Barclay said it took about a year for her small intestine to heal after making the necessary changes to her diet.

From BBC • Dec. 10, 2025

He then had to be fed through a tube - a process that damaged his liver so much that he needed a transplant as well as a new small intestine and large colon.

From BBC • Dec. 7, 2025

I hoped I’d have enough cash by the time my small intestine shriveled like an earthworm on hot pavement.

From "Landscape with Invisible Hand" by M.T. Anderson