Public review preview. Candidate definitions have not yet been read by the two reviewers. Each entry shows its review status.
biological

Judged: two independent readers; copy check clear.

neurofibrillary tangles

neurofibrillary tangles Neurofibrillary tangles are abnormal clumps inside brain cells made of tightly packed twisted filaments involving neurofilaments, microtubule-related proteins, actin, and ubiquitins.

Neurofibrillary tangles are abnormal clumps inside brain cells made of tightly packed twisted filaments involving neurofilaments, microtubule-related proteins, actin, and ubiquitins. They are a major biological feature of Alzheimer disease and, after death, higher numbers of tangles are associated with more severe dementia during life.