Question

What is coagulation of blood? Write its mechanism...

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Answer 1

Answer:

Coagulation, also known as clotting, is the process by which blood changes from a liquid to a gel, forming a blood clot. ... The mechanism of coagulation involves activation, adhesion and aggregation of platelets, as well as deposition and maturation of fibrin.

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Answer 2

Answer:

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• The process by which blood changes from a liquid to solid is called coagulation.

• When the blood flows out, the platelets release an enzyme called Thrombokinase

• It acts on another substance present in the blood called Pro-Thrombin converting into Thrombin

• $\: { \boxed{ \sf{Prothrombin \: { \to} \: Thrombin}}}$

• Thrombin acts on another substance called Fibrinogen that is present in dissolved state converting into insoluble fibrin

• $\: {\sf{Fibrinogen \: { \to} \:Fibrin }}$

• The blood cells entangle in the fibrin fibers forming the clot.The fibrin fibers are attached to the edges of wound and pull them together.

• This straw yellowish coloured fluid portion after formation of the clot is serum