heparin: Meaning and Definition of

hep•a•rin

Pronunciation: (hep'u-rin), [key]
— n.
  1. a polysaccharide, occurring in various tissues, esp. the liver, and having anticoagulent properties.
  2. a commercial form of this substance, obtained from the liver and lungs of domesticated food animals, that when injected into the blood prevents coagulation: used chiefly in the treatment of thrombosis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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