Necrosis Guide, Meaning , Facts, Information and Description
Necrosis is the name given to unprogrammed death of cells/living tissue (compare with apoptosis - programmed cell death). There are many causes of necrosis including injury, infection, cancer, infarction, inflammation and so on.There are four distinctive morphologic patterns of necrosis:
- Coagulative necrosis - typically seen in hypoxic environments. Cell outlines remain after cell death and can be observed by light microscopy (e.g. myocardial infarction, infarct of the spleen)
- Liquefactive necrosis - is associated with cellular destruction and pus formation (e.g. pneumonia)
- Caseous necrosis - is a mix of coagulative necrosis and liquefactive necrosis (e.g. tuberculosis)
- Fatty necrosis - results from the action of lipases on fatty tissues (e.g. acute pancreatitis)
- Fibrinoid necrosis -
See also
- Heart Attack
- Stroke
- Peripheral vascular disease
- Ischemic bowel
- Apoptosis
- Aseptic bone necrosis
- Ebola haemorrhagic fever
- Gangrene, diabetic foot
- cell lysis
- Brain death
- Necrophilia - sexual acts on a corpse (from the same root as necrosis, in fact it is a portmanteau of necrosis, the article you are at now, and paraphilia, one of a handful of weird and usually illegal sexual pleasures.)
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