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Search Result for "ileum": 
Wordnet 3.0

NOUN (1)

1. the part of the small intestine between the jejunum and the cecum;


The Collaborative International Dictionary of English v.0.48:

Ileum \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.] [1913 Webster] 2. (Anat.) See Ilium. [R.] [1913 Webster] Note: Most modern writers restrict ileum to the division of the intestine and ilium to the pelvic bone. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Ilium \Il"i*um\, n. [See Ileum.] (Anat.) The dorsal one of the three principal bones comprising either lateral half of the pelvis; the dorsal or upper part of the hip bone. See Innominate bone, under Innominate. [Written also ilion, and ileum.] [1913 Webster]
WordNet (r) 3.0 (2006):

ileum n 1: the part of the small intestine between the jejunum and the cecum