Haemophilia b
From Biology-Online Dictionary
(Science: haematology) a form of haemophilia in males that results from a deficiency of clotting factor IX, transmitted as a x-linked trait.
symptoms include easy bruising, nosebleeds, bleeding gums and bleeding into muscle tissue (haematoma) or a joint space (haemarthrosis).
treatment includes the infusion of factor IX concentrates to normalize blood coagulation.
Inheritance: sex-linked.