attaches_to regional_part_of Septal leaflet of tricuspid valve Right posterior cusp of aortic valve Central fibrous body Subdivision of fibrous skeleton of heart Fibrous skeleton of heart Right fibrous trigone of heart FMA:9505 Subdivision of fibrous skeleton of heart which attaches the right posterior cusp of aortic valve to the septal leaflet of the tricuspid valve and is continuous with the membranous part of cardiac septum. fma