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pygostyle

pygostyle


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Pygostyle  \Py"go*style\,  n.  [Gr.  ?  the  rump  +  ?  a  pillar.] 
  (Anat.) 
  The  plate  of  bone  which  forms  the  posterior  end  of  the 
  vertebral  column  in  most  birds;  the  plowshare  bone;  the 
  vomer.  It  is  formed  by  the  union  of  a  number  of  the  last 
  caudal  vertebr[ae],  and  supports  the  uropigium.