a protein that participates in the clotting of blood. It is extracted from donated serum and used in the treatment of the commonest type of haemophilia, in which it is absent
factor VIII n.
A factor in the clotting of blood, a deficiency of which is associated with hemophilia A. Also called antihemophilic factor, antihemophilic globulin, antihemophilic globulin A, proserum prothrombin conversion accelerator.
- Factor x
factor X n. See prothrombinase.
- Factor xii
factor XII n. A factor in the clotting of blood, a deficiency of which results in prolonged clotting time for venous blood. Also called Hageman factor.
- Factor xiii
factor XIII n. A factor in the clotting of blood that is converted by thrombin into its active form, which cross-links subunits of the fibrin clot to form insoluble fibrin. Also called Laki-Lorand factor.
- Factory farm
noun 1. a farm in which animals are bred and fattened using modern industrial methods