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Glossary of Physiology Terms – J

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Jejunum

Definition:
The middle region of the small intestine between the duodenum and the ileum. The jejunum receives the contents of the duodenum and, in turn, its contents empty into the ileum. In adult humans, the jejunum is about 2.5 meters (about 8 feet) long.

Related glossary terms/phrases:
Duodenum
Ileum






Posted: Tuesday, March 5, 2013
Last updated: Wednesday, March 12, 2025
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