Print français
Alzheimer Society logo

Brain tour

Brain Basics
Preview 1 2 3 4 5 6 7

Alzheimer's Disease and the Brain
8 9 10 11 12 13 14 15 1617


Credits

12. More about tangles

Tangle detail (under electron micrograph)

Tangles destroy a vital cell transport system made of proteins. This electron microscope picture shows a cell with some healthy areas and other areas where tangles are forming.

In healthy areas:

  • The transport system is organized in orderly parallel strands somewhat like railroad tracks. Food molecules, cell parts and other key materials travel along the “tracks.”

  • A protein called tau (rhymes with wow) helps the tracks stay straight.

In areas where tangles are forming:

©2009 Alzheimer's Association. www.alz.org. All rights reserved. Illustrations by Stacy Janis.
This is an official publication of the Alzheimer’s Association but may be distributed by unaffiliated organizations and individuals. Such distribution does not constitute an endorsement of these parties or their activities by the Alzheimer’s Association.

previewcredits