aortic arch

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Related to arch of aorta: descending aorta

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 ?
We conclude that ascending and arch of aorta are atherosclerosis prone and descending thoracic and abdominal segments are relatively atherosclerosis resistant parts in Newzealand white rabbits on feeding high cholesterol diet.
Among 30 cadavers, origin of left vertebral artery from arch of aorta was observed in 3 cadavers.
These vessels originated from the arch of aorta at T4 level in majority of cases (29 cases; 60.
It hooks under the arch of aorta, posterior to the ligamentum arteriosum before ascending towards the neck between the trachea and the esophagus.
In the typical pattern three branches arise from the arch of aorta and they are: brachiocephalic trunk, left common carotid artery and left subclavian artery.