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.
Specimens were taken from the tailored double-layer convexity of the ascending aorta in a patient undergoing aortic valve replacement 6 years following isolated WA. Histology showed no sign of medial degeneration and perfect fusion of the two overlapped wall layers (Elastic van Gieson staining, 100× magnification).
