<unk>  is most commonly caused by conditions that do not involve severe trauma, toxins or an acute or chronic immune response. The lack of oxygen (hypoxia) causes cell death in a localized area which is perfused by blood vessels failing to deliver primarily oxygen, but also other important nutrients. It is important to note that while ischemia in most tissues of the body will cause<unk> , in the central nervous system ischemia causes liquefactive necrosis, as there is very little structural framework in neural tissue.
Coagulative necrosis
Liquefactive necrosis
Fat necrosis
Caseous necrosis
Infibulation
Fibrinoid necrosis
Feathery degeneration
Xanthogranulomatous inflammation