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What is the difference between blood clot and scab?

A blood clot is a gel-like mass formed by platelets and fibrin in response to injury to prevent excessive bleeding. It forms inside the blood vessels. A scab, on the other hand, is a crust that forms over a wound when the blood clot dries out and hardens on the skin's surface. It is made up of dried blood, platelets, and other debris from the wound. Blood clots are internal, while scabs are external manifestations of the healing process.


What is the difference between intrinsic and extrinsic blood clot formation?

Intrinsic blood clot formation occurs due to factors within the blood vessels, such as damage to the vessel wall or abnormal blood flow. Extrinsic blood clot formation, on the other hand, is triggered by external factors outside the blood vessels, such as trauma or surgery. Both intrinsic and extrinsic pathways ultimately lead to the formation of a blood clot, which is a normal response to prevent excessive bleeding.


What are the particles in blood that help to clot blood?

The particles in blood that help to clot blood are called platelets. Platelets are small cell fragments that play a crucial role in the blood clotting process by forming clots to stop bleeding.


What would happen to people who have an open wound and whose blood did not clot naturally?

People with an open wound and blood that does not clot naturally may experience excessive bleeding that does not stop on its own. This condition, known as a bleeding disorder, usually requires medical intervention such as medications or transfusions to help the blood clot and stop the bleeding. Without treatment, individuals may be at risk of severe blood loss and complications.


What is the process where bleeding is stopped?

The process of stopping bleeding is called hemostasis. It involves vasoconstriction (narrowing of blood vessels), formation of a platelet plug, and activation of the coagulation cascade to form a blood clot. Once the clot is formed, it helps seal the injured blood vessel and prevent further blood loss.