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Il"e*um (?), n. [L. ile, ileum, ilium, pl. ilia, groin, flank.]

1. Anat.

The last, and usually the longest, division of the small intestine; the part between the jejunum and large intestine.

[Written also ileon, and ilium.]

2. Anat.

See Ilium.


⇒ Most modern writers restrict ileum to the division of the intestine and ilium to the pelvic bone.


© Webster 1913.