clotting factor IX
biochemistry
Quick Summary
Factor IX, also known as the Christmas factor, is a clotting factor in blood plasma that plays a crucial role in hemostasis. It is essential for activating factor VIII, another key component in the blood clotting cascade. A deficiency in factor IX is associated with hemophilia B, a bleeding disorder. Clotting factors, including factor IX, are found in plasma, the liquid component of blood, and are vital for stopping bleeding.1234
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