factor XII

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Related to factor XII: factor XIII
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Noun1.factor XII - coagulation factor whose deficiency results in prolongation of clotting time of venous blood
clotting factor, coagulation factor - any of the factors in the blood whose actions are essential for blood coagulation
References in periodicals archive ?
Coagulation factor XII is a protease that is essential for thrombus formation while being dispensable for hemostatic processes that terminate blood loss.
Normal expression of C1INH and normal C4 usually rule out HAE types I and II but cannot rule out HAE type III, which is thought to be a mutation in coagulation factor XII gene, which results in increased kinin production.
Other coagulation antibody products that Affinity manufactures include: Factor VII, Factor VIII, Factor IX, Factor X, Factor XI, Factor XII and Factor XIII.
6] Estrogen is found to increase gene expression of factor XII.
Clotting factor VIII activity was below the detection limit (<5 IU/dL; reference interval, 70-150 IU/dL), and the activity of factor XII was slightly reduced (53 IU/dL, reference interval, 70-150 IU/dL).
En 2003 se documento tambien una reduccion transitoria en la actividad de factor XII (32%).
Evidence for an alternative pathway in intrinsic coagulation not requiring factor XII.
In the coagulation cascade, endotoxin can activate factor XII of the intrinsic pathway.