Term Name:	hemophilia B
Synonyms:	Congenital factor IX deficiency, Congenital factor IX disorder, deficiency, functional factor IX, factor IX deficiency
Definition:	A hemophilia that has_material_basis_in Factor IX deficiency, which makes coagulation much more prolonged. The disease is inherited as an X-linked recessive trait.
Ontology:	Human Disease [DOID:12259]   ( DOID:12259 )