Coronoid (Gr. κορώνη, a crow). Like a crow’s beak; thus the coronoid process of the ulna.

Cricoid (Gr. κρίκος, a ring, and εἶδος, form). A cartilage of the larynx resembling a seal ring in shape.

Crystalline Lens (Lat. crystallum, a crystal). One of the humors of the eye; a double-convex body situated in the front part of the eyeball.

Cumulative. A term applied to the violent action from drugs which supervenes after the taking of several doses with little or no effect.

Cuticle (Lat. dim. of cutis, the skin). Scarf skin; the epidermis.

Cutis (Gr. σκῦτος, a skin or hide). The true skin, also called the dermis.

Decussation (Lat. decusso, decussatum, to cross). The crossing or running of one portion athwart another.

Degeneration (Lat. degenerare, to grow worse, to deteriorate). A change in the structure of any organ which makes it less fit to perform its duty.

Deglutition (Lat. deglutire, to swallow). The process of swallowing.

Deltoid. Having a triangular shape; resembling the Greek letter Δ (delta).