GO:0035910

The process in which the anatomical structures of the ascending aorta are generated and organized. The ascending aorta is the portion of the aorta in a two-pass circulatory system that lies between the heart and the arch of aorta. In a two-pass circulatory system blood passes twice through the heart to supply the body once. [GOC:bf, GOC:dgh, MA:0002570, UBERON:0001496, Wikipedia:Ascending_aorta]