Assertion: ascending aorta | /r/HasProperty | the portion
Facets:
Source sentences:
text: The sections of the thoracic aorta include the ascending aorta, the portion arising from the base of the heart to the innominate artery; the transverse aorta or aortic arch, which includes the great vessels; and the descending aorta, which begins at the distal edge of the subclavian artery and ends at its junction with the abdominal aorta at the level of the diaphragm (Fig.