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Coagulation System

Meaning

The coagulation system, or clotting cascade, is a complex, tightly regulated biological process involving a series of plasma proteins and cellular components that work in concert to stop bleeding (hemostasis) following vascular injury. This intricate network prevents excessive blood loss by forming a stable fibrin clot at the site of damage. Hormonal status, particularly estrogen levels, can significantly modulate the activity of this system, which is clinically relevant in hormone replacement therapy.