small intestine

noun

Definition of small intestine

:the narrow part of the intestine that lies between the stomach and colon, consists of duodenum, jejunum, and ileum, secretes digestive enzymes, and is the chief site of the digestion of food into small molecules which are absorbed into the body

See small intestine defined for English-language learners

See small intestine defined for kids

First Known Use of small intestine

1767

SMALL INTESTINE Defined for English Language Learners

small intestine

noun

Definition of small intestine for English Language Learners

: the long, narrow upper part of the intestine in which food is digested after it leaves the stomach

SMALL INTESTINE Defined for Kids

small intestine

noun

Definition of small intestine for Students

:the long narrow upper part of the intestine in which food is mostly digested and from which digested food is absorbed into the body

Medical Dictionary

small intestine

noun

medical Definition of small intestine

:the part of the intestine that lies between the stomach and colon, consists of duodenum, jejunum, and ileum, secretes digestive enzymes, and is the chief site of the absorption of digested nutrients — called also small bowel