Search Result for "metaphysis": 
Wordnet 3.0

NOUN (1)

1. the growing part of a long bone between the diaphysis and the epiphysis; 



The Collaborative International Dictionary of English v.0.48:

Metaphysis \Me*taph"y*sis\, n. [NL., fr. Gr. ? after + ?
   nature.]
   Change of form; transformation.
   [1913 Webster]


WordNet (r) 3.0 (2006):

metaphysis
    n 1: the growing part of a long bone between the diaphysis and
         the epiphysis