“+ noun
( plural hypocentra )
Etymology: New Latin, from hypo- + centrum
: a ventral part of the body of a vertebra that is usually wedge-shaped or horseshoe-shaped, consists of the fused lower arcualia of the anterior of the two arches from which each vertebra is formed, and is characteristic of some fishes, stegocephalians, and primitive reptiles — called also intercentrum