The aortic valve, or aortic semilunar valve, has three leaflets or cusps. It is located at the base of the aorta. It opens to allow blood to leave the left ventricle as it contracts. When the ventricular muscles relax, the valve closes to prevent blood from backing up into the ventricular chamber.
About | Privacy | FAQ | Contact Innerbody.com Copyright (c) 1999 - 2017 HowToMedia, Inc. All rights reserved. The information contained on this site is for educational purposes only and should not be taken as expert advice.