plasma thromboplastin component

biochemistry

Also known as: PTC, factor IX

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In hemophilia
…attributed to a deficiency of factor IX (hemophilia B) or of factor XI (hemophilia C); hemophilia B (also called Christmas disease), like hemophilia A, is sex-linked and occurs almost only in males, whereas hemophilia C may be transmitted by both males and females and is found in both sexes.
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In blood disease: Hemophilia
…deficiency of factor IX (plasma thromboplastin component, or PTC). Both factor VIII deficiency and factor IX deficiency have signs and symptoms that are indistinguishable. Spontaneous bleeding into joints, giving rise to severe chronic arthritis, is a common problem among persons with severe hemophilia; in addition, there is bleeding into…
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