factor VII -'sev-ən, -'seb-əm n a clotting factor in normal blood that is formed in the kidney under the influence of vitamin K and may be deficient due to a hereditary disorder or to a vitamin K deficiency called also autoprothrombin I, cothromboplastin, proconvertin, stable factor
* * *
see under coagulation f's.Medical dictionary. 2011.