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 group. (I) Section of the ileum showing Peyer's patches (P) with large follicles containing germinal centers (F). ×100. Anti-CD4 group. (j) Section of the ileum showing Peyer's patches (P) greatly reduced in size and a lack of follicles. ×100.