Figure 7).
Longitudinal section (parallel to the blood flow) stained with Masson’s trichrome in control pulmonary veins at original magnification ×100 (A) and mitral regurgitation pulmonary veins at original magnification ×100 (B)
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.