⋅dimers and trimers	⋅protofibrils (PFs)
⋅pentamers	⋅annular protofibrils (APFs)
⋅dodecamer (Aβ + 56)	⋅amyloid derived diffusible ligand (ADDLs)
⋅globulomers	⋅prefibrillar oligomers (PFOs)
⋅amylospheroids (ASPDs)	⋅spheric amyloid intermediates