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Home: Health A to Z: Necrosis




Necrosis

Definition


Meningococcemia on the calves
Meningococcemia on the calves
Meningococcemia on the leg
Meningococcemia on the leg
Meningococcemia associated purpura
Meningococcemia associated purpura
Necrosis of the toes
Necrosis of the toes

 Definition  

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.

Review date: 8/28/2007

Reviewed 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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