Definitions

from 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.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A glycosaminoglycan, originally isolated from liver cells, now made synthetically for medical use, used as an anticoagulant

from 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

Etymologies

Late Latin hēpar, liver (from Greek; see yē̆kw in Indo-European roots) + -in.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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