factor V

(redirected from Factor va)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to Factor va: proaccelerin, Tissue factor, Factor viiia
ThesaurusAntonymsRelated WordsSynonymsLegend:
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 ?
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).
4,20) In normal patients, the activated protein C degrades the patient's factor Va and VIIIa, and on that basis, prolongs the PTT.
These studies also confirmed the impact of the targeted autoantibodies on a key clot-promoting coagulation factor, Factor Va.