Medical Dictionary

factor XIII

noun \-ˌthər(t)-ˈtēn, -ˈthər(t)-\

Medical Definition of factor XIII

  1. :  a clotting factor that is catalyzed by thrombin during the final stage of clot formation to an active form which cross-links strands of fibrin resulting in a stable, insoluble clot—called also fibrinase; see transglutaminase

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