aortic arch

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aortic arch

[ā′ȯrd·ik ′ärch]
(anatomy)
The portion of the aorta extending from the heart to the third thoracic vertebra; single in warm-blooded vertebrates and paired in fishes, amphibians, and reptiles.
References in periodicals archive ?
On the left side, the fistula would continue inferiorly, loop forward under the arch of the aorta, then course superiorly just posterior to the common carotid artery.
The position of the left recurrent nerve, which loops around the arch of the aorta and ascends along the trachea (de Jong et al.