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Titlesort descending Definition
Factor I Fibrinogen, one of several proteins found in the blood that aid in coagulation or clotting. It is converted to fibrin, the protein which constitutes the bulk of a blood clot, through the action of thrombin in the presence of calcium ions.
Factor II Prothrombin, one of several proteins found in the blood that aids in coagulation.
Factor III Thromboplastin (Tissue Factor).
Factor IV Calcium ions.
Factor IX Blood coagulation Factor IX, also known as Christmas Factor (CF) and Plasma Thromboplastin Component (PTC). In the blood clotting process, Factor IX activates thromboplastin. Deficiency results in Hemophilia B, or Christmas Disease.
Factor VII Blood coagulation Factor VII, also known as proconvertin, or serum prothrombin conversion accelerator. A protein substance in blood plasma that is essential in the blood clotting process. It is formed in the kidney under the influence of vitamin K and may be deficient due to a hereditary disorder. In clotting, it forms a complex with tissue thromboplastin and calcium to activate prothrombokinase, thus acting to accelerate the conversion of prothrombin to thrombin.
Factor VIII Blood coagulation Factor VIII, or Anti-Hemophilic Factor (AHF). A protein substance in blood plasma that is essential in the blood clotting process. Hemophilia A, the most common form of blood clotting disorder, is caused by a deficiency of Factor VIII. Human plasma can be fractioned such that Factor VIII remains. The resulting plasma, containing Factor VIII, can be given to hemophiliacs to temporarily correct the bleeding tendency.
Factor X Stuart-Prower Factor.
Febrile Feverish.
Fibrin The insoluble protein in blood plasma that constitutes the bulk of a blood clot. It forms an interlacing, fibrous network.
Fibrinogen A protein in blood plasma that is essential for blood clotting. It is converted to fibrin, the protein which constitutes the bulk of a blood clot, through the action of thrombin in the presence of calcium ions. Also called blood coagulation Factor I.
Fibrinolysis The dissolution of a blood clot. The process breaks down the fibrin polymers of the clot and prevents more from forming.
Fractionation Process by which plasma is broken down into its various components.