Clotting – It is defined as the process in which blood looses it’s fluidity and becomes a jelly like substance few minutes after it is shed out.

Sequence of clotting mechanism – Enzyme cascade theory:

Cascade is a process that occurs through a series of steps , each step initiating the next until the final step is reached.

Stages of blood clotting :

• Formation of prothrombin activator
• Conversion of prothrombin into thrombin
• Conversion of fibrinogen into fibrin

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Sources – Sembulingam (Textbook of physiology)

Image source – Google images