Ileum definition

ĭlē-əm
Frequency:
The terminal portion of the small intestine extending from the jejunum to the cecum.
noun
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The lowest part of the small intestine, opening into the large intestine.
noun
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The terminal portion of the small intestine extending from the jejunum to the cecum.
noun
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The lower part of the small intestine, connecting the jejunum to the cecum of the large intestine.
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(anatomy) The last, and usually the longest, division of the small intestine; the part between the jejunum and large intestine.
noun
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Other Word Forms

Noun

Singular:
ileum
Plural:
ilea

Origin of ileum

  • Late Latin īleum groin, flank variant of Latin īlia

    From American Heritage Dictionary of the English Language, 5th Edition

  • Via Medieval Latin from Latin ilia.

    From Wiktionary