1. 
   fetus in fetu
   (fe´tәs in fe´too) a small, imperfect fetus, incapable of independent life, contained within the body of another fetus.
   Found op http://www.encyclo.co.uk/local/21001
   
   
2. 
   fetus in fetu
   fetus in fetu, fetus-in-fetu A fetus-in-fetu is an encapsulated, pedunculated vertebrate tumor. This is a situation in which one twin fails to develop past the fetal stage and is completely subsumed into the body of the other. Generally, it's fetus in fetu if the fetus develops a reasonable skeleto...
   Found op http://www.wordinfo.info/words/index/info/view_unit/817/2
   
   
3. 
   fetus in fetu
   Type: Term Definitions: 1. condition in which a small, imperfectly formed fetus is contained within a fetus.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=32557
   
   
4. 
   fetus-in-fetu
   fetus in fetu, fetus-in-fetu A fetus-in-fetu is an encapsulated, pedunculated vertebrate tumor. This is a situation in which one twin fails to develop past the fetal stage and is completely subsumed into the body of the other. Generally, it's fetus in fetu if the fetus develops a reasonable skeleto...
   Found op http://www.wordinfo.info/words/index/info/view_unit/817/2
   
   

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