fibrous trigone


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fibrous trigone

a thickened area of tissue between the aortic ring and the atrioventricular ring. The right fibrous trigone is between the aortic ring and the right atrioventricular ring. The left fibrous trigone is between the aortic ring and the left atrioventricular ring.
References in periodicals archive ?
A fibrous skeleton, which consists of four fibrous rings surrounding the valve orifices, two fibrous trigones connecting the rings, and the membranous part of the interventricular and interatrial septa.