What is the process of forming a scab?

The process of forming a scab begins when the skin is injured, leading to bleeding. Blood vessels constrict to reduce blood loss, and platelets aggregate at the injury site to form a temporary plug. Simultaneously, clotting factors are activated, resulting in the formation of fibrin threads that weave through the platelet plug, solidifying it into a stable clot. As the clot dries, it forms a protective scab, which helps prevent infection and allows the underlying tissue to heal.