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.
p27Kip1 protein expression in normal lymphoid tissue (tonsil). Germinal centers that contain a high percentage of proliferating cells show only scattered cells expressing p27Kip1, whereas most cells in the mantle zone and in the interfollicular T-cell area express high levels of p27Kip1. Immunoperoxidase; ×100.
