abnormal aortic valve morphology abnormal aortic valve anulus morphology abnormal fibrous ring of aortic valve abnormal aortic anulus morphology csmith any structural anomaly of the fibrous ring of the aortic valve that attaches the cusps of aortic valve to the wall of left ventricle, and which consists of portions of the fibrous scallops of the posterior, right anterior and left anterior cusps MP:0010598 abnormal aortic valvar anulus morphology 2010-10-06T09:45:59Z MPheno.ontology