MeSH definition : Constituent composed of protein and phospholipid that is widely distributed in many
tissues. It serves as a cofactor with factor VIIa to activate factor X in the extrinsic
pathway of blood coagulation.;
Constituent composed of protein and phospholipid that is widely distributed in many
tissues. It serves as a cofactor with factor VIIa to activate factor X in the extrinsic
pathway of blood coagulation.