hemophilia B

== English == === Alternative forms === haemophilia B hæmophilia B === Pronunciation === Rhymes: -iː === Noun === hemophilia B (uncountable) the second most common form of hemophilia, affecting 1/4s of hemophiliacs, caused by a deficiency in clotting factor IX ==== Synonyms ==== coagulation factor IX deficiency clotting factor IX deficiency factor IX deficiency FIX deficiency ==== Related terms ==== hemophilia hemophilia A hemophiliac ==== See also ==== coagulation factor IX clotting factor IX factor IX FIX