Question

the definition for the medical term ileum. multiple choice large wing - shaped bone at the upper and posterior part of the pelvis. a thin wall separating two cavities or two tissue masses. sticky secretion of cells in mucous membranes. pertaining to the armpit. third portion of the small intestine.

Explanation:

The ileum is well - known in medical knowledge as the third part of the small intestine. The other options describe different anatomical structures or substances.

Answer:

E. third portion of the small intestine.