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

[ Syn: heparin , heparin , lipo-hepin , lipo-hepin , liquaemin , liquaemin ]