Storage-stable blood coagulation factor acting in the intrinsic pathway. Its activated form, ixa, forms a complex with factor viii and calcium on platelet factor 3 to activate factor x to xa. Deficiency of factor ix results in christmas disease (haemophilia b).

Chemical name: Blood-coagulation factor IX

(12 Dec 1998)

factor III, factoring, factor Inv, factor IV < Prev | Next > factor ixa, factor ix assay, factor ix deficiency

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