Microscopic patch of fragmented nerve around amyloid deposits found in the cerebral cortex of normal elderly people; found in larger amounts in people with Alzheimer’s disease.
Spherical formations consisting mostly of degenerated brain cells that impede circulation in the brain arteries, caused by cerebral arteriosclerosis.
A spherical deposit of beta amyloid in brain areas in Alzheimer’s disease.
Clinical finding, associated with Alzheimer’s disease, of abnormal amyloid deposits in brain tissue that disrupt brain function.
Accumulations of bundled amyloid fibrils surrounding normal and damaged neurons in the brain, a finding on pathological inspection of brain tissue from patients with Alzheimer’s dementia.