ileum

noun
il·e·um | \ ˈi-lē-əm \
plural ilea\ˈi-lē-ə \

Definition of ileum 

: the last division of the small intestine extending between the jejunum and large intestine

Other words from ileum

ileal \ˈi-lē-əl \ adjective

First Known Use of ileum

1682, in the meaning defined above

History and Etymology for ileum

New Latin, alteration of Latin ilia, plural, groin, viscera

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The first known use of ileum was in 1682

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ileum

noun
il·e·um | \ ˈil-ē-əm \
plural ilea\-ē-ə \

Medical Definition of ileum 

: the last division of the small intestine that constitutes the part between the jejunum and large intestine and in humans forms the last three fifths of the part of the small intestine beyond the end of the duodenum and that is smaller and thinner-walled than the jejunum with fewer circular folds but more numerous Peyer's patches

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occurring twice a year or every two years

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