Acute Hepatic Failure in Dogs. Acute hepatic failure is a condition characterized by the sudden loss of 70 percent or more of the liver's function due to sudden, massive, hepatic necrosis (tissue death in the liver).
Key Points. Secondary (acquired) immunodeficiencies are much more common than primary (hereditary) immunodeficiencies. Primary immunodeficiencies can affect humoral immunity (most commonly), cellular immunity, both humoral and cellular immunity, phagocytic cells, or the complement system.
What is the diffÃ©rence entre primary and secondary immune deficiency? primary: name given to chronic diseases caused by hereditary or genetic disorders of the immune system. Secondary immunodeficiencies or acquired more common than primary deficits, are immune system problems that are not genetic and which are caused by external factors. This question is archived.