The American Heritage® Dictionary of the English Language, 4th Edition
n. An acidic glycosaminoglycan found especially in lung and liver tissue and having the ability to prevent the clotting of blood, used in the treatment of thrombosis.
n. A glycosaminoglycan, originally isolated from liver cells, now made synthetically for medical use, used as an anticoagulant
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a polysaccharide produced in basophils (especially in the lung and liver) and that inhibits the activity of thrombin in coagulation of the blood; it (trade names Lipo-Hepin and Liquaemin) is used as an anticoagulant in the treatment of thrombosis and in heart surgery
Word Usage
"Amphastar said its imported heparin product presents "no threat whatsoever to the drug-consuming public" because that heparin is not intended for consumers."