What is Mechanism of Blood Clotting?

square Mechanism of Blood Clotting


Calcium, Fibrinogen, Thromboplastin, are some of the substances needed before clotting occurs. The clotting process has the following steps:

  1. Thromboplastin is released when a blood vessel and tissue cells are damaged. This triggers off a number of reactions.

  2. Thromboplastin receives converted to Thrombin in the presence of Calcium ions.

  3. Thrombin convert's fibrinogen to fibrin (soft clot with fine threads).

  4. In the presence of Factor XIII, a hard clot is formed.

  5. The fibrin threads enmesh the cells, and this combination obstructs the opening and stops the bleeding.

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