Definition of primary and secondary amenorrhea. Amenorrhea is the medical term for the absence of menstrual periods, either on a permanent or temporary basis. Amenorrhea can be classified as primary or secondary.
Most inherited bleeding disorders are the result of abnormal platelet function or a deficiency in one or more of the factors involved in the blood clotting system. The most serious and common inherited coagulation disorders in dogs are hemophilia(deficiency of factor VIII or IX) and von Willebrand's disease (lack of von Willebrand factor). Other coagulation disorders are discussed here.
Coagulation Factor Deficiency in Dogs. Coagulation takes place when blood transforms from a free flowing liquid into a thickened gel like state. In this state the gelled blood is called a clot, and it is through clotting that a wound begins to seal.This process is critically important for healing to take place.oagulation Factor Deficiency in Dogs. Coagulation takes place when blood transforms from a free flowing liquid into a thickened gel like state. In this state the gelled blood is called a clot, and it is through clotting that a wound begins to seal.