n. a type of protein deposit found in the brain tissue of patients having Alzheimer's disease. This deposit contains peptides which consist of 36 to 43 amino acids each. These accumulate as amyloid plaques which initially show no pathological activity until the onset of Alzheimer's disease.

BETA-AMYLOID (P-AMYLOID): "Patients who go senile from Alzheimer's disease are observed to have beta-amyloid deposits in their brain."
Cite this page: N., Pam M.S., "BETA-AMYLOID (P-AMYLOID)," in, April 7, 2013, (accessed May 11, 2021).