An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Topographic distribution of vascular Aβ deposits (dots) in a 26-y-old sooty mangabey. The brainstem segments analyzed were devoid of Aβ immunoreactivity and are not pictured. Antibody, antiAβ clone 6E10; bar, 5 mm.