What Is a Valve Commissure

In the heart, a commissure is the area where the valve leaflets abut. … When such an abutment is abnormally stiffened or even fused, valvular stenosis results, sometimes requiring commissurotomy.

What is aortic valve commissure?

Commissures. … A commissure is the space or area between each anchored leaflet to the aortic wall. They act as support to the base structure of the cusps.

What are the 3 Commissures?

Commissures are fiber tracts that are defined to connect corresponding cortical areas of both telencephalic hemispheres with each other. They comprise the anterior commissure, the hippocampal commissure, and the corpus callosum.