'Metaphysis' definitions:

Definition of 'metaphysis'

(from WordNet)
noun
The growing part of a long bone between the diaphysis and the epiphysis

Definition of 'Metaphysis'

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