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epiphysis definition

epiphy·sis (ē pif′ə sis)

noun pl. epiphyses -·ses′ (-sēz′)

  1. the end part of a long bone which is at first separated from the main part by cartilage, but later fuses with it by ossification
  2. the pineal body
    in full epiphysis cerebri epiphysis cer·ebri (ser′ə brī′)

Etymology: ModL < Gr epiphysis, a growth upon, excrescence < epiphyein, to grow upon < epi-, upon + phyein, to grow: see bondage

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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