noun
- the insoluble protein end product of blood coagulation, formed from fibrinogen by the action of thrombin in the presence of calcium ions.
- Botany. a fibrinlike substance found in some plants; gluten.
adjective
- of, containing, or resembling fibrin
noun
- a white insoluble elastic protein formed from fibrinogen when blood clots: forms a network that traps red cells and platelets
blood-clotting substance, 1800, from Latin fibra (see fiber) + chemical suffix -in (2). So called because it is deposited as a network of fibers that cause the blood to clot.
n.
- An elastic, insoluble, whitish protein derived from fibrinogen by the action of thrombin and forming an interlacing fibrous network in the coagulation of blood.
- A fibrous protein produced by the action of thrombin on fibrinogen and essential to the coagulation of blood. Fibrin works by forming a fibrous network in which blood cells become trapped, thereby producing a clot.