Collyrium. An eye water.

Colostrum. The first milk secreted after delivery.

Colon. A portion of the large intestines.

Coma. A profound sleep; lethargy.

Commissure. A point of union between two parts.

Compound Fracture. One which communicates with the surface; a fracture where the bone has protruded through the skin.

Condyle. A protuberance on a bone.

Confluent. Blending; running together.

Congenital. Dating from birth.

Congestion. An unnatural fullness or accumulation of blood.