The noun has one meaning:
Meaning #1:
a polysaccharide produced in basophils (especially in the lung and liver) and that inhibit the activity of thrombin in coagulation of the blood; heparin sodium (trade names Lipo-Hepin and Liquaemin) is used as an anticoagulant in the treatment of thrombosis
Synonyms: heparin, Lipo-Hepin
