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.
A section in the thyroid gland of adult rat treated with low dose of MSG (group II) showing PAS positive reaction appears in the cytoplasm of follicular cell (crossed arrow). PAS positive colloid with increased marginal vacuolation is seen (arrows) (PAS × 400).
