FMA definition : left fibrous ring of heart which consists of the anulus proper, the interfilar connective
tissue, the left fibrous trigone and the subaortic curtain of left ventricle that
attaches the leaflets of mitral valve to the wall of heart.;
left fibrous ring of heart which consists of the anulus proper, the interfilar connective
tissue, the left fibrous trigone and the subaortic curtain of left ventricle that
attaches the leaflets of mitral valve to the wall of heart.