Necrosis meaning

nə-krōsĭs, nĕ-
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The death of cells or tissues from severe injury or disease, especially in a localized area of the body. Causes of necrosis include inadequate blood supply (as in infarcted tissue), bacterial infection, traumatic injury, and hyperthermia.
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Death of cells through injury or disease, especially in a localized area of a tissue or organ.
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(pathology) The localized death of cells or tissues through injury, disease, or the interruption of blood supply.
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Necrosis is a decay or death of cells, typically because of blood flow problems, diseases or injury.

An example of necrosis is when blood flow is cut off to the foot in an accident and the living cells of the foot die.

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The death or decay of tissue in a particular part of the body, as from loss of blood supply, burning, etc.
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Death of cells through injury or disease, especially in a localized area of a tissue or organ.
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Death of plant tissue, as from disease, frost, etc.
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Origin of necrosis

  • Late Latin necrōsis a causing to die, killing from Greek nekrōsis death from nekroun to make dead from nekros corpse nek-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Ancient Greek νέκρωσις (nekrōsis).

    From Wiktionary