heparin(n = noun.artifact) lipo-hepin, liquaemin - 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; Array
heparin, n. Biochem. a substance produced in liver cells etc. which inhibits blood coagulation, and is used as an anticoagulant in the treatment of thrombosis.