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(pathology) An area of dead tissue caused by a loss of blood supply; a localized necrosis.

Micrograph of a pulmonary infarct (right of image) beside relatively normal lung (left of image). H&E stain.

(pathology) An area of dead tissue caused by a loss of blood supply; a localized necrosis.

Histopathology at high magnification of a normal brain neuron, and a brain infarction at approximately 24 hours on H&E stain: The neurons become hypereosinophilic and there is an infiltrate of neutrophils. There is slight edema and loss of normal architecture in the surrounding neuropil.