This short video discusses about the gross features seen in Alzheimer's disease plus microscopic features that can be appreciated that include: neuritic plaques and neurofibrillary tangles along with positive immunohistochemical staining seen in AD. Timeline: 0:00 - Gross features of Alzheimer's disease (AD) 0:11 - Microscopic features of AD 0:39 - Neuritic plaques 1:20 - Neurofibrillary tangles 1:40 - Immunohistochemical staining