Caput

(kap’-ut) [L.]. The head; also the chief part or beginning of an organ. C. col i, the head of the colon. C. cornu posterior is. Same as C. gelati no sum. C. gall in agin is. See Verumontanum. C. gelati no sum, the name given to the translucent gray matter covering the dorsomesal periphery of the dorsal horn of the spinal cord. It is a peculiar, striated substance composed of numerous closely crowded cellular elements, in part connective-ti ue cells, in part nerve cells. C. medusae, the peculiar plexus of veins surrounding the umbilicus in per i portal cirrhosis of the liver. It represents collateral paths for the return of the venous blood from the abdominal viscera. C. obstipum. Synonym of Wry-neck. C. quadratum, the rectangular head of rickets, flattened upon the top and at the sides, with projecting occiput and prominent frontal bo es. C. succedaneum, a tumor composed of a serosanguineous infiltration of the connective ti ue situated upon the presenting part of the fetus. 173