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Photomicrograph of human brain with Alzheimer disease

Photomicrograph of human brain with Alzheimer disease
Photomicrograph of human brain with Alzheimer disease following Bielschowsky stain. The stain highlights an extracellular neuritic plaque (upper right) and an intraneuronal neurofibrillary tangle (lower left).
Graphic 99497 Version 4.0