Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: epiphysis (epiphyses)  i'pi-fi-sis
  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
    "The doctor monitored the growth of the child's epiphysis to assess bone development"
     
  2. A small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin
    "The epiphysis cerebri helps regulate sleep-wake cycles";
    - pineal gland, pineal body, epiphysis cerebri

Derived forms: epiphyses

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

Encyclopedia: Epiphysis