aortic arch


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aortic arch

n.
1. The curved portion of the aorta between the ascending and descending portions that gives rise to the brachiocephalic trunk, the left carotid artery, and the left subclavian artery.
2. One of a series of paired arteries in a vertebrate embryo that connects the ventral arterial system to the dorsal arterial system.

aor′tic arch′



n.
one member of a series of paired curved blood vessels that arise in the embryo from the ventral aorta, pass around the pharynx through the branchial arches, and join with the dorsal aorta to form the great vessels of the head and neck.
[1900–05]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.aortic arch - the part of the aorta that arches and turns downwardaortic arch - the part of the aorta that arches and turns downward
aorta - the large trunk artery that carries blood from the left ventricle of the heart to branch arteries
References in periodicals archive ?
Interrupted aortic arch (IAA) is a scarce and generally lethal congenital malformation.
Eight were females; twelve had free intravascular catheters located within the right venous system, right atrium (RA), right ventricle (RV), or pulmonary artery (PA); one case had a metal guide located in the left ventricle and aortic arch.
Systemic and pulmonary venous return as well as position of the aortic arch can be determined.
2%) patients, right aortic arch was the most common lesion presented in 36 (17.
A Kommerell diverticulum can be present in different anomalies of the aortic arch; either in a right aortic arch with an aberrant left subclavian artery or a left aortic arch with an aberrant right subclavian artery.
Right CCA usually takes its origin at the level of sternoclavicular joint, however its origin may be at a superior level in 12% of the cases, or it may originate as a separate artery from the aortic arch (Vitek & Reaves, 1973).
Quantitative image analysis was performed on axial CT images at five predefined anatomical levels: 1) ascending aorta in proximity of the aortic valve; 2) aortic arch at the origin of brachiocephalic trunk; 3) thoracic descending aorta at the level of pulmonary trunk; 4) aorta at the level of diaphragm; 5) abdominal aorta at the level of the renal arteries.
0 cm mass posterior to the aortic arch in the left paravertebral location.
This study was aimed to investigate of the anatomy of the aortic arch and the distribution of its main branches in the greater flamingo.
We present a rare case of a patient who presented with unilateral paraplegia that developed after thoracic endovascular aortic repair for aortic arch aneurysm and our subsequent salvage strategy.
Coarctation of aorta dysplasia###* Right aortic arch (double aortic