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.
Control adult cortical explant (a) has small, flattened vascular segments whereas the administration of the 25-ng VEGF dose (b) produces a significant expansion and elongation of the cerebrovascular patterns.