WordWeb Online

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
   - pineal gland, pineal body, epiphysis cerebri

Derived forms: epiphyses

See also: epiphysial

Type of: ductless gland, endocrine, endocrine gland, long bone, os longum

Encyclopedia: Epiphysis