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Blood Clotting Factors
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Factor X (Stuart-Prower Factor)
Function: Converts prothrombin to thrombin in the presence of Factor V. Disorders: Factor X deficiency.
Factor I (Fibrinogen)
Function: Converts to fibrin during clotting. Disorders: Afibrinogenemia, Hypofibrinogenemia, Dysfibrinogenemia.
Factor VIII (Antihemophilic Factor)
Function: Cofactor for Factor IX, aids in activating Factor X. Disorders: Hemophilia A.
Factor VII (Stable Factor)
Function: Initiates coagulation in the extrinsic pathway. Disorders: Factor VII deficiency.
Factor XI (Plasma Thromboplastin Antecedent)
Function: Activates Factor IX. Disorders: Hemophilia C (Factor XI deficiency).
Von Willebrand Factor
Function: Binds to Factor VIII and platelets, aiding in platelet adhesion. Disorders: Von Willebrand Disease.
Factor II (Prothrombin)
Function: Converted to thrombin in clotting process. Disorders: Prothrombin deficiency, Hypoprothrombinemia.
Factor IX (Christmas Factor)
Function: Activates Factor X with help from Factor VIII. Disorders: Hemophilia B.
Prekallikrein
Function: Works with high-molecular-weight kininogen to activate Factor XII; involved in inflammation and blood pressure control. Disorders: Prekallikrein deficiency may lead to prolonged aPTT without bleeding.
Factor V (Proaccelerin)
Function: Cofactor for the conversion of prothrombin to thrombin. Disorders: Parahemophilia, Factor V Leiden.
Factor XIII (Fibrin-stabilizing Factor)
Function: Stabilizes the fibrin clot by cross-linking fibrin. Disorders: Factor XIII deficiency can lead to severe bleeding disorders.
Factor III (Tissue Factor)
Function: Initiates extrinsic pathway of coagulation. Disorders: Tissue Factor deficiency is rare but can lead to bleeding.
Factor XII (Hageman Factor)
Function: Initiates intrinsic pathway and blood coagulation. Disorders: Factor XII deficiency is usually asymptomatic but can lead to prolonged clotting times.
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