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.
The jejunum of a male rhesus macaque collected at day 77 following irradiation at 11 Gy has the normal level of proliferative crypt cells, but villi are essentially devoid of proliferative cells. Ki67 IHC stain, 5x objective magnification.
