hemophilia B

noun

Definition of hemophilia B

  1. :  a mild to severe hemophilia that is caused by a deficiency of factor IX —called also Christmas disease — compare hemophilia B

1954

First Known Use of hemophilia b

1954


Medical Dictionary

hemophilia B

noun

Medical Definition of hemophilia B

  1. :  a mild to severe hemophilia that is caused by a deficiency of factor IX in the blood Hemophilia B occurs mostly in males.… The inadequate or inactive supply of clotting factor results in periodic internal bleeding.—K. A. Fackelmann, Science News, 2 Oct. 1993—called also Christmas disease


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