Definitions for factor vii
proconvertin, cothromboplastin, stable factor, factor VII(noun)
a coagulation factor formed in the kidney under the influence of vitamin K
U.S. National Library of Medicine
Heat- and storage-stable plasma protein that is activated by tissue thromboplastin to form factor VIIa in the extrinsic pathway of blood coagulation. The activated form then catalyzes the activation of factor X to factor Xa.