Assertion: aortic arch | /r/HasProperty | a v’‐ or
Facets:
Source sentences:
text: Then, we move the transducer cephalad along the vertical axis of the fetal thorax until the aortic arch and the ductus arising from the pulmonary trunk form, on the left side of distal trachea, a ‘V’‐ or ‘Y’‐shaped confluence at the descending aorta.