Antithrombin III
Antithrombin III Brand Names ATryn | Thrombate III What is Antithrombin III Antithrombin III or Antithrombin (AT III), is another name for heparin cofactor I, a factor in plasma necessary for heparin to exert its anticoagulant activity. AT III is a natural anticoagulant synthesized in the liver. It plays a major role in the regulation of …