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Definition Return to top
Necrosis is death of body tissue. It occurs when there is not enough blood to the tissue, whether from injury, radiation, or chemicals. Necrosis is not reversible.
When substantial areas of tissue die due to a lack of blood supply, the condition is called gangrene.
Update Date: 8/28/2007 Updated by: Daniel R Alexander, MD, Department of Internal Medicine, St. Mary's Hospital, Leonardtown, MD. Review provided by VeriMed Healthcare Network.
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