crescent

(kres’ent) (L. cres’cens]. 1. Shaped like anew moon. 2. Either of the two lateral bands of gray matter in the spinal cord, each made up of a ventral and a dorsal comu. articular c., a crescent-shaped articular fibrocartilage. c’s of Gianuszi, crescent-shaped groups of granular cells in the acini of mucous glands: also called demilunes of Heidenhain. c’s, the sausage shaped sporonts of the parasite of pernicious malarial fever. myopic c., a crescentic posterior Staphyloma in the fundus of the eye in myopia. c's of the spinal cord, the cornua. or horns, of gray matter in the spinal cord, distinguished as Gnterior and posterior, or ventral and dorsal. 255