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.
These vessels originated from the arch of aorta at T4 level in majority of cases (29 cases; 60.41%).
At the lower pontine border it joins its fellow to form the basilar artery.Pl In the present study, the origin, course, developmental origin, diameters at various level and clinical significance of the left vertebral artery from the arch of aorta have been discussed.
Left vertebral artery, originated directly from arch of aorta between the left common carotid artery and left subclavian artery in one cadaver.
A contrast enhanced CT scan of thorax and CT Angio Aortogram revealed fusiform aneurysmal dilatation of the arch of aorta with diameter of 6.2 cm over a length of 12.3 cm showing intraluminal partial thrombus with wall calcification (Image-3).