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clotting factor

DEFINITIONS OF: clotting factor

1

n any of the factors in the blood whose actions are essential for blood coagulation

Synonyms:
coagulation factor
Types:
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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
Hemofil, antihaemophilic factor, antihaemophilic globulin, antihemophilic factor, antihemophilic globulin, factor VIII
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
Hageman factor, factor XII
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
Type of:
plasma protein
any of the proteins in blood plasma
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