Definition: Deposits of the protein alpha-synuclein inside nerve cells in the brain. Lewy bodies are associated with Lewy body dementia; they are also found in the brains of those with Parkinson's disease and -- sometimes -- Alzheimer's disease, making diagnosis more complicated.
Lewy Bodies
From Carrie Hill, PhD, former About.com Guide
Updated: April 01, 2008
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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