Abnormal subclavian artery morphology Aberrant right subclavian artery 2017-12-17T01:01:57Z HP:0031014 Anomalous origin of right subclavian artery Arteria lusoria Aberrant right subclavian artery syndrome Anomalous right subclavian artery Anomalous origin of the right subclavian artery from the descending aorta Abnormal origin of the right subclavian artery from the descending aorta. The right subclavian artery normally arises from the brachiocephalic trunk, which divides into the right common carotid artery and right subclavian artery. Lusorian artery