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.
Key Difference â Primary vs Secondary Cell Culture. Before discussing the difference between Primary and Secondary Cell Culture, let us first briefly define what cell culture is. Cell culture is the process of removing cells from an animal or plant and subsequent growth in an artificially controlled environment.