abnormal semilunar valve morphology abnormal pulmonary valve morphology Fyler:1600 Fyler:1602 MP:0002748 MPheno.ontology abnormal pulmonic valve morphology any structural anomaly of the valve between the right ventricle and the pulmonary trunk, and contains three cusps, the anterior, right posterior and left posterior cusps, attached to an outer fibrous ring (annulus) dysplastic pulmonary valve pulmonary valvar abnormality pulmonary valve dysplasia abnormal heart right ventricle outflow tract morphology