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 changes of PCNA-positive immunity reaction cells in intestine of mice (immunohistochemistry staining). The reaction cells appear brown in colour and are mostly located in the base of intestine villi and intestinal crypts. A) Control group. B) Stress-restraint group. C) CH-treated group. D) stress-restraint + CH group. Scale bars: 50 µm.
