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- Word comparison: jejunum vs. ileum
jejunum vs. ileum
noun
Anatomy.
- the middle portion of the small intestine, between the duodenum and the ileum.
noun
plural ilea
- Anatomy. the third and lowest division of the small intestine, extending from the jejunum to the cecum.
- Zoology. the anterior portion of the hindgut of an insect or other arthropod.