
Semilunar valve
A higher magnification of the previous slide shows the dense core of connective tissue of the valve and the region of the annulus fibrosus. Endothelium covers the free surface of each valve. 400x

Aortic valve leaflet
A higher magnification of the previous slide shows the dense core of connective tissue of the valve and the region of the annulus fibrosus. Endothelium covers the free surface of each valve. 400x

Endothelium
A higher magnification of the previous slide shows the dense core of connective tissue of the valve and the region of the annulus fibrosus. Endothelium covers the free surface of each valve. 400x

Connective tissue core
A higher magnification of the previous slide shows the dense core of connective tissue of the valve and the region of the annulus fibrosus. Endothelium covers the free surface of each valve. 400x

Annulus fibrosus
A higher magnification of the previous slide shows the dense core of connective tissue of the valve and the region of the annulus fibrosus. Endothelium covers the free surface of each valve. 400x

Aortic wall
A higher magnification of the previous slide shows the dense core of connective tissue of the valve and the region of the annulus fibrosus. Endothelium covers the free surface of each valve. 400x