epiphysis

nouns

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
is derived from
is derived from
is a type of (narrower)
in limbs of vertebrate animals: a long cylindrical bone that contains marrow
a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin