thoracic aorta morphology trait thoracic aorta molecular composition trait VT:0010568 Trait.ontology caripark CMO:0002003 CMO:0002002 Any measurable or observable characteristic related to the proportions of proteins, minerals, nutrients, gases, or other substances in the part of the descending aorta superior to the aortic hiatus of the diaphragm. 2013-07-11T12:36:42Z aorta molecular composition trait