beta-amyloid
noun
be·ta-am·y·loid
ˈbā-tə-ˈa-mə-ˌlȯid
variants
or beta-amyloid protein
or beta-amyloid peptide
: an amyloid that is derived from a larger precursor protein and is the primary component of plaques characteristic of Alzheimer's disease
… beta-amyloid is the main component of the plaques, or brain lesions, found in the estimated 4 million Americans afflicted with Alzheimer's disease.—Discover
… researchers in California have created mice carrying the gene for beta-amyloid protein, the principal component of the plaques riddling the brains of people with Alzheimer's.—Charlene Crabb
… he never underwent an autopsy that would have shown unequivocally whether the gummy mess of beta-amyloid plaques that is the telltale symptom of Alzheimer's had infected his brain.—Michael Greenberg
called also A-beta, amyloid beta, amyloid beta peptide, amyloid beta protein
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Merriam-Webster unabridged
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