attaches_to regional_part_of Pulmonary valve Cusp of pulmonary valve Wall of right side of heart Right fibrous ring of heart Fibrous skeleton of heart Fibrous ring of heart Fibrous ring of pulmonary valve Anulus of pulmonary valve FMA:9503 Pulmonary anulus Pulmonary valvar anulus Pulmonary valve anulus Right fibrous ring of heart which consists of the right anterior, left anteiror and the posterior semilunar fibrous scallops of pulmonary valve anulus that attaches the cusps of pulmonary valve to the wall of heart. fma