Tag: Blood clotting

Mechanism of Haemostasis (Coagulation)

Mechanism of Haemostasis (Coagulation)

Mechanism of Haemostasis (Coagulation) Haemostasis is a complex and dynamic physiological process that aims to stop bleeding within the body. The discontinuation of bleeding depends on the interaction of endothelial cells, platelets and coagulation factors. Anticoagulation factors and the fibrinolytic system oppose coagulation and remove clots. Platelet plug formation The initial response of a vessel […]

November 14, 2012 | By | Reply More
Why positive feedback mechanism is called a vicious cycle

Why positive feedback mechanism is called a vicious cycle

Positive feedback mechanism is a vicious cycle. In rare instances, the body has learned to use positive feedback to its advantage as follows: 1. Blood clotting: When a blood vessel is ruptured a clot begins to form. Multiple enzymes called clotting factors are activated with the clot itself. Some of these factors activates the other […]

April 28, 2012 | By | Reply More
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