英语释义
1. 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
2. an amyloid that is derived from amyloid precursor protein and is the primary component of plaques characteristic of Alzheimer's disease — called also A-beta, amyloid beta, amyloid beta peptide, amyloid beta protein