3 phases of the alzheimer disease

abnormal alzheimer alzheimers amyloid atrophy being biological biology brain cell cells central cns cytological cytology dead degeneration degenerative dementia digested disease diseased healthcare healthy hippocampal hippocampus histological histology human medical medicine microglia micrography microscope nerve nerves nervous neural neurological neurology neuron neuronal neurone neurones phases plaque plaques psychiatric psychiatry psychological psychology red senile senility stain system tissue unhealthy yellow