Metadiscoidal

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Metadiscoidal \Met`a*dis*coid"al\, a. [Meta- + discoidal.]
     (Anat.)
     Discoidal by derivation; -- applied especially to the
     placenta of man and apes, because it is supposed to have been
     derived from a diffused placenta.
     [1913 Webster]