Definition: Blood-coagulation factor VIII. Antihemophilic factor that is part of the factor VIII/von Willebrand factor complex. Factor VIII is produced in the liver and acts in the intrinsic pathway of blood coagulation. It serves as a cofactor in factor X activation and this action is markedly enhanced by small amounts of thrombin.
Other names Factor VIII Clotting Antigen; Coagulation Factor VIII; Thromboplastinogen; Factor VIII Procoagulant Activity; Factor VIII Coagulant Antigen; HyattC; Hyatt C; HyateC; Hyate C; F VIII C; Speywood Brand of Porcine Factor VIII Preparation; Hyatt-C; Hyate-C; Factor VIIIC; Blood Coagulation Factor VIII; F VIII-C