The injured tissue cells and (1) which disintegrate at the site of wound release a
substance (2) .It converts a substance (3) to (4). It reacts with a soluble (5) of plasma to
convert it into insoluble ( 6) . blood cells (7) are trapped and the solid mass which is left behind
is called (8)
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Fibrin
biochemistry
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Alternative Title: factor Ia
Fibrin, an insoluble protein that is produced in response to bleeding and is the major component of the blood clot. Fibrin is a tough protein substance that is arranged in long fibrous chains; it is formed from fibrinogen, a soluble protein that is produced by the liver and found in blood plasma. When tissue damage results in bleeding, fibrinogen is converted at the wound into fibrin by the action of thrombin, a clotting enzyme. Fibrin molecules then combine to form long fibrin threads that entangle platelets, building up a spongy mass that gradually hardens and contracts to form the blood clot. This hardening process is stabilized by a substance known as fibrin-stabilizing factor, or factor XIII