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.
The image shows the aortic root of a normal heart opened by a cut though the left coronary aortic sinus, and viewed from the front. The leaflet guarding the right coronary aortic sinus has been removed, revealing its semilunar line of attachment. The hingeline crosses proximally beyond the anatomic ventriculo-arterial junction, thus incorporating a crescent of myocardium in the base of the sinus.
