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obturatormore about obturator

obturator

 

  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Obturator  \Ob"tu*ra`tor\,  n. 
  1.  (Ordnance)  Any  device  for  preventing  the  escape  of  gas 
  through  the  breech  mechanism  of  a  breech-loading  gun;  a 
  gas  check. 
 
  2.  (Photog.)  A  camera  shutter. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Obturator  \Ob"tu*ra`tor\,  n.  [NL.,  fr  L.  obturare  to  stop  up: 
  cf.F.  obturateur.] 
  1.  That  which  closes  or  stops  an  opening. 
 
  2.  (Surg.)  An  apparatus  designed  to  close  an  unnatural 
  opening,  as  a  fissure  of  the  palate. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Obturator  \Ob"tu*ra`tor\,  a.  (Anat.) 
  Serving  as  an  obturator;  closing  an  opening;  pertaining  to 
  or  in  the  region  of  the  obturator  foramen;  as  the  obturator 
  nerve. 
 
  {Obturator  foramen}  (Anat.),  an  opening  situated  between  the 
  public  and  ischial  parts  of  the  innominate  bone  and  closed 
  by  the  obturator  membrane;  the  thyroid  foramen.




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