Il´eum, n. Lower portion of small intestine.

Il´iac, a. Relating to the ilium, or haunch-bone; also, to the ileum.

Il´ium, n. Haunch-bone; principal bone of the pelvis, forming with the ischium and pubis the os innominatum.

Im´bricated, a. Fixed shingle-wise with overlapping edge or end.

Immac´ulate, a. Unspotted; not marked with different colors.

Immature´, a. Not having yet assumed final size, shape, color, or other conditions of the adult.

Imper´forate, a. Not pierced through; also, closed up (said chiefly of the nostrils).

Implacen´tal, a. Having no placenta. Birds are implacental.

Incised´, a. Cut out; cut away.