has part has part has_part characteristic of abnormal susceptibility to aortic cartilaginous metaplasia decreased susceptibility to aortic cartilaginous metaplasia nvasilevsky decreased susceptibility to the transformation of cells comprising the aorta epithelium to arterial chondrocytes that express type II collagen, resulting in heterotopic formation of cartilage and may lead to calcification in the aorta MP:0020093 MPheno.ontology 2014-04-28T00:00:00Z aorta