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.
Mast cells in the colonic mucosa. Representative electron photomicrographs of mast cells were taken from the colonic mucosal specimens of A: normal controls, B: patients with UC-only and C and D: patients with UC-CRS (C, before stimulated with SEB; D, after stimulated with SEB). ×3,000.
