1. 
   Peptogen
   Pep'to·gen noun [ Pepto ne + -gen .] (Physiol.) A substance convertible into peptone.
   Found op http://www.encyclo.co.uk/webster/P/50
   
   
2. 
   peptogen
   <physiology> A substance convertible into peptone. ... Origin: Peptone + -gen. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?peptogen
   
   
3. 
   Peptogen
   • (n.) A substance convertible into peptone.
   Found op http://thinkexist.com/dictionary/meaning/peptogen/
   
   

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