coagulation factor

1. Any of the factors in the blood whose actions are essential for blood coagulation (synset 115047343)
   is a type of: plasma protein - any of the proteins in blood plasma
   subtypes:

   • factor i, fibrinogen - a protein present in blood plasma; converts to fibrin when blood clots
   • factor ii, prothrombin - a protein in blood plasma that is the inactive precursor of thrombin
   • factor iii, thrombokinase, thromboplastin - an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot
   • calcium ion, factor iv - ion of calcium; a factor in the clotting of blood
   • accelerator factor, factor v, proaccelerin, prothrombin accelerator - a coagulation factor
   • cothromboplastin, factor vii, proconvertin, stable factor - a coagulation factor formed in the kidney under the influence of vitamin K
   • antihaemophilic factor, antihaemophilic globulin, antihemophilic factor, antihemophilic globulin, factor viii, hemofil - a coagulation factor (trade name Hemofil) whose absence is associated with hemophilia A
   • christmas factor, factor ix - coagulation factor whose absence is associated with hemophilia B
   • factor x, prothrombinase - coagulation factor that is converted to an enzyme that converts prothrombin to thrombin in a reaction that depends on calcium ions and other coagulation factors
   • factor xi, plasma thromboplastin antecedent - coagulation factor whose deficiency results in a hemorrhagic tendency
   • factor xii, hageman factor - coagulation factor whose deficiency results in prolongation of clotting time of venous blood
   • factor xiii, fibrinase - in the clotting of blood thrombin catalyzes factor XIII into its active form (fibrinase) which causes fibrin to form a stable clot
   same as: clotting factor

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