abnormal semilunar valve morphology abnormal pulmonary valve morphology MPheno.ontology 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) Fyler:1602 Fyler:1600 pulmonary valvar abnormality dysplastic pulmonary valve pulmonary valve dysplasia MP:0002748 abnormal pulmonic valve morphology abnormal heart right ventricle outflow tract morphology