The term hemophilia is used to describe a set of inherited genetic disorders that affect a mammal's body's ability to control thrombogenesis. Thrombogenesis is how blood clots and plays an important role in hemostasis. Two common forms of hemophilia are A and B. (1) In someone with A (otherwise known as classic hemophilia), there is not enough clotting factor VIII or none at all. In a person with hemophilia B (also known as Christmas disease), the clotting factor is not enough or is completely absent. Those with the disorder don't bleed as much, they just bleed for a longer period of time. All people with hemophilia A or B are born with the disease as it is a hereditary disease and passed down from generation to generation. Very few cases of haemophilia are not genetic and are therefore brought about by a spontaneous genetic mutation which is then passed on. century; Abu al-Qasim al-Zahrawi observed a family suffering a great loss of males dying of hemorrhage caused by a small wound. The American Doctor Ott...