ileum

As a noun ileum

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

As an adjective intraileal is

into the ileum.

As a noun ileum

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

As an adverb ileally is

in an ileal manner; of, into, or by means of the ileum.

In anatomy terms the difference between ileum and ileocaecal

is that ileum is the last, and usually the longest, division of the small intestine; the part between the jejunum and large intestine while ileocaecal is of or pertaining to the connection between the final segment of the small intestine (ileum) and large intestine (colon).

As a noun ileum

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

As an adjective ileocaecal is

of or pertaining to the connection between the final segment of the small intestine (ileum) and large intestine (colon).