left fibrous trigone (heart, anatomy)
Last reviewed 01/2018
The left fibrous trigone of the heart is a collagenous thickening of the most inferior point of the fibrous skeleton attached to the left posterior leaflet of the aortic valve. It also forms a point of attachment for part of the fibrous skeleton of the mitral valve:
- most of the anterior leaflet of the mitral valve
- the fila coronaria, a fibrous band extending around the mitral valve orifice
fibrous skeleton (heart, anatomy)
anterior leaflet (mitral valve, anatomy)