fibrinogen

views updated May 14 2018

fibrinogen A soluble blood protein that is acted upon by the enzyme thrombin during blood clotting to give the insoluble protein fibrin. See also BLOOD PLASMA.

fibrinogen

views updated Jun 11 2018

fibrinogen One of the proteins of the blood plasma which is responsible for the clotting of blood. When prothrombin is activated to thrombin in response to injury, it converts fibrinogen to fibrin, which is deposited as strands that form the clot.

fibrinogen

views updated Jun 11 2018

fibrinogen (fi-brin-ŏ-jĕn) n. a substance (see coagulation factors), present in blood plasma, that is acted upon by the enzyme thrombin to produce the insoluble protein fibrin in the final stage of blood coagulation.

fibrinogen

views updated Jun 27 2018

fibrinogen The protein dissolved in the blood plasma that, when suitably activated, is converted to insoluble fibrin fibres. See blood clotting.