Assertion: aortic arch | /r/CapableOf | encircle reunite
Facets:
value: posteriorly
type: MANNER
Source sentences:
text: Anatomically, the ascending aorta arises normally and, as it exits the pericardium, it divides into two – right and left aortic arches which encircle the trachea and the esophagus and reunite posteriorly to form the descending aorta.