Definition: Also called a lesion, a plaque is an area of the nervous system that is inflamed or has been demyelinated. Plaques can be seen on MRI scans.
Also Known As: lesions
Plaques
By Julie Stachowiak, Ph.D., About.com
Updated: May 1, 2007
About.com Health's Disease and Condition content is reviewed by Suman Jayadev, MD
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