noun Biochemistry.
- a globulin occurring in blood and yielding fibrin in blood coagulation.
noun
- a soluble protein, a globulin, in blood plasma, converted to fibrin by the action of the enzyme thrombin when blood clots
n.
- A protein in the blood plasma that is essential for the coagulation of blood and is converted to fibrin by thrombin and ionized calcium.factor I
- A protein in the blood plasma that is essential for the coagulation of blood. It is converted to fibrin by the action of thrombin in the presence of calcium ions.