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.
Rat colon segments stained with toluidine blue: sham (a), treated with TNBS 30 mg per animal (b), and treated with resveratrol 10 mg kg−1 (c). The number of mucosal mast cells was observed in the colonic submucosa of TNBS-treated animals. Resveratrol did not modify this parameter. Original magnification × 20.
