title: Subunit structure of the Alzheimer tangle.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000544:Alzheimer Disease / Q000473:pathology*; D006801:Humans; D008854:Microscopy, Electron; D008875:Middle Aged; D009454:Neurofibrils / Q000648:ultrastructure*; D009474:Neurons / Q000648:ultrastructure