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superfetationmore about superfetation

superfetation


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Superfetation  \Su`per*fe*ta"tion\,  n.  [Cf.  F.  superf['e]tation.] 
  (Physiol.) 
  The  formation  of  a  fetus  at  the  result  of  an  impregnation 
  occurring  after  another  impregnation  but  before  the  birth  of 
  the  offspring  produced  by  it  This  is  possible  only  when 
  there  is  a  double  uterus,  or  where  menstruation  persists  up 
  to  the  time  of  the  second  impregnation. 
 
  In  then  became  a  superfetation  upon  and  not  an 
  ingredient  in  the  national  character.  --Coleridge. 
 
  From  WordNet  r  1.6  [wn]: 
 
  superfetation 
  n  :  fertilization  of  a  second  ovum  after  a  pregnancy  has  begun; 
  results  in  two  fetuses  of  different  ages  in  the  uterus  at 
  the  same  time;  "superfetation  is  normal  in  some  animal 
  species" 




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