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.
As stated, Lymphocytic thyroiditis, is the most common MHC related autoimmune disease in dogs, and as such actually serves as a marker for susceptibility to a myriad of other autoimmune diseases. Some of these are: 1  Autoimmune hemolytic anemia (AIHA),t is known that human body odor is determined by the human leukocyte antigens (HLA) that are produced by the Major Histocompatibility Complex. The study concluded that âthe volatile organic compounds produced by tumors, and detected by dogs, are products of MHC genes.