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hemin

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hemin


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Hemin  \He"min\,  n.  [Gr.  a"i^ma  blood.]  (Physiol.  Chem.) 
  A  substance,  in  the  form  of  reddish  brown,  microscopic, 
  prismatic  crystals,  formed  from  dried  blood  by  the  action  of 
  strong  acetic  acid  and  common  salt;  --  called  also 
  Teichmann's  crystals.  Chemically,  it  is  a  hydrochloride  of 
  hematin. 
 
  Note:  The  obtaining  of  these  small  crystals,  from  old  blood 
  clots  or  suspected  blood  stains,  constitutes  one  of  the 
  best  evidences  of  the  presence  of  blood. 




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