Christmas, Stephen


Christmas, Stephen

(kris'mas) [British-born Canadian, 1947–1993] He was the first person identified as having Christmas disease (hemophilia A).

Christmas disease

See: hemophilia B.

Christmas factor

Abbreviation: CF
An obsolete term for plasma thromboplastin component.

Christmas,

Stephen, patient with the first case of this disease studied in detail. Christmas disease - a clotting disorder caused by hereditary deficiency of factor IX. Synonym(s): hemophilia BChristmas factor - Synonym(s): factor IX coagulation factor