Figure 1.
The blood–brain barrier. The BBB is formed by endothelial cells of the capillary wall, the dendrites of neurons and astrocyte end-feet ensheathing the capillary, and pericytes embedded in the capillary basement membrane.
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.