Ileum

n.	1.	(Anat.) The last, and usually the longest, division of the small intestine; the part between the jejunum and large intestine.
	2.	(Anat.) See Ilium.

Noun

1.

ileum - the part of the small intestine between the jejunum and the cecum

Pronunciation: (il-ee-um)

The lower end of the small intestine.

small intestine