Heparin
Synonyms
Heparin Sodium
Heparin, Sodium
Heparin, Unfractionated
Heparinic Acid
Liquaemin
Sodium Heparin
Unfractionated Heparin
alpha Heparin
alpha-Heparin
A highly acidic mucopolysaccharide formed of equal parts of sulfated D-glucosamine and D-glucuronic acid with sulfaminic bridges. The molecular weight ranges from six to twenty thousand. Heparin occurs in and is obtained from liver, lung, mast cells, etc., of vertebrates. Its function is unknown, but it is used to prevent blood clotting in vivo and vitro, in the form of many different salts.