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fontanel

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fontanel


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Fontanel  \Fon"ta*nel`\,  n.  [F.  fontanelle,  prop.,  a  little 
  fountain,  fr  fontaine  fountain.  See  {Fountain}.] 
  1.  (Med.)  An  issue  or  artificial  ulcer  for  the  discharge  of 
  humors  from  the  body.[Obs.]  --Wiseman. 
 
  2.  (Anat.)  One  of  the  membranous  intervals  between  the 
  incompleted  angles  of  the  parietal  and  neighboring  bones 
  of  a  fetal  or  young  skull;  --  so  called  because  it 
  exhibits  a  rhythmical  pulsation. 
 
  Note:  In  the  human  fetus  there  are  six  fontanels,  of  which 
  the  anterior,  or  bregmatic,  situated  at  the  junction  of 
  the  coronal  and  sagittal  sutures,  is  much  the  largest, 
  and  remains  open  a  considerable  time  after  birth. 
 
  From  WordNet  r  1.6  [wn]: 
 
  fontanel 
  n  :  any  membranous  gap  between  the  bones  of  the  cranium  in  an 
  infant  or  fetus  [syn:  {fontanelle},  {soft  spot}] 




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