senile plaque

Medical Dictionary

senile plaque n.
A spherical mass of amyloid fibrils surrounded by distorted interwoven neuronal processes, found in the cerebral cortex in alzheimer's disease. Also called neuritic plaque.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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