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.
Summary of mucosal immune system components including isolated lymphoid follicles, lymphatic vessels, Peyers patches, mesenteric lymph nodes, and immune cells within and surrounding the epithelium. Reproduced with permission from [20]. Copyright BMJ Publishing Group Ltd., 2013.
