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.
Nissl staining of hippocampal CA1 region. A: sham (SH) group, B: chronic cerebral hypoperfusion (CCH) group, C: CCH +berberine (BBR) 50 group, D: CCH+BBR 100 group. The black arrows indicate intact cells and red arrows indicate necrotic cells (magnification ×400)
