epiphysis

Noun
  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 (synset 105600259)
  2. A small endocrine gland in the brain;
    Situated beneath the back part of the corpus callosum;
    Secretes melatonin (synset 105492750)

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