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sphinctermore about sphincter

sphincter


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Sphincter  \Sphinc"ter\,  n.  [NL.,  fr  ???  to  bind  tight.]  (Anat.) 
  A  muscle  which  surrounds,  and  by  its  contraction  tends  to 
  close  a  natural  opening;  as  the  sphincter  of  the  bladder. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Sphincter  \Sphinc"ter\,  a.  (Anat.) 
  Of  pertaining  to  or  designating,  a  sphincter;  as  a 
  sphincter  muscle. 
 
  From  WordNet  r  1.6  [wn]: 
 
  sphincter 
  n  :  a  ring  of  muscle  that  contracts  to  close  an  opening  [syn:  {anatomical 
  sphincter},  {sphincter  muscle}] 




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