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epiphysis

PRIMARY MEANINGS OF: epiphysis

1
n
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
n
a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin
FULL DEFINITIONS OF: epiphysis
1

n 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

Type of:
long bone, os longum
in limbs of vertebrate animals: a long cylindrical bone that contains marrow
2

n a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin

Synonyms:
epiphysis cerebri, pineal body, pineal gland
Type of:
ductless gland, endocrine, endocrine gland
any of the glands of the endocrine system that secrete hormones directly into the bloodstream
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