n. 回肠

[医] 回肠

[ noun ]
the part of the small intestine between the jejunum and the cecum
<noun.body>

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}.]

2. (Anat.) See {Ilium}. [R.]

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

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}.]