Co´ri-on. [Gr. χοριον, chorion, skin.] The true skin.

Corn´e-a. [L. cornu, a horn.] The transparent membrane in the fore part of the eye.

Cos´ta. [L. costa, a coast, side, or rib.] A rib.

Crib´ri-form. [L. cribrum, a sieve, and forma, form.] A plate of the ethmoid 454 bone, through which the olfactory nerve passes to the nose.

Cri´coid. [Gr. κρικος, krikos, a ring, and ειδος, eîdos, form.] A name given to a cartilage of the larynx, from its form.

Crys´tal-line. [L. crystallinus, consisting of crystal.] Crystalline lens. One of the humors of the eye. It is convex, white, firm, and transparent.

Cu´bi-tus, -i. [L. cubitus, the elbow.] One of the bones of the forearm, also called the ulna.

Cu´boid. [Gr. κυβος, kubos, a cube, and ειδος, eîdos, form.] Having nearly the form of a cube.

Cu-ne´i-form. [L. cuneus, a wedge.] The name of bones in the wrist and foot.

Cus´pid. [L. cuspis, a point.] Having one point.