factor V

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Related to Factor va: proaccelerin, Tissue factor, Factor viiia
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Noun1.factor V - a coagulation factorfactor V - a coagulation factor      
clotting factor, coagulation factor - any of the factors in the blood whose actions are essential for blood coagulation
References in periodicals archive ?
9,10) The most common point mutation leading to APC resistance among Caucasians is at the R506Q site of Factor Va (FVa), known as the Factor V Leiden mutation.
rhAPC also inhibits factor VIIIa and factor Va, resulting in a reduction in thrombin levels (3).
Furthermore, they probably increase activated protein C resistance, owing to the inhibitory effects of prothrombin on the inactivation of factor Va by activated protein C (7).