Epiphysis - Definition
epiphysis
n 1: the end of a long bone; initially separated from the main
bone by a layer of cartilage that eventually ossifies so
the parts become fused
2: a small endocrine gland in the brain; situated beneath the
back part of the corpus callosum; secretes melatonin [syn:
pineal gland, pineal body, epiphysis cerebri,
epiphysis]