Heparin
WordNet
noun
(1) 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
WiktionaryText
Noun
- A glycosaminoglycan, originally isolated from liver cells, now made synthetically for medical use, used as an anticoagulant