Alzheimer's Disease

**Semantic type:** Mental or Behavioral Dysfunction

**Definition:** A progressive, neurodegenerative disease characterized by loss of function and death of nerve cells in several areas of the brain leading to loss of cognitive function such as memory and language.

**Synonyms:** - Alzheimer Disease - Alzheimer dementia - Alzheimer disease - Alzheimer's Dementia - Alzheimer's disease - Alzheimer's disease, unspecified