abnormal pulmonary valve morphology abnormal pulmonary valve anulus morphology 2010-10-06T10:42:37Z MP:0010606 MPheno.ontology abnormal pulmonic valve anulus any structural anomaly of the fibrous ring of the pulmonary valve that attaches the cusps of pulmonary valve to the wall of right ventricle, and which consists of portions of the fibrous scallops of the anterior, right posterior and left posterior cusps csmith