aortic arch

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Related to arch of aorta: descending aorta

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 ?
Arch of aorta (AOA) is the continuation of ascending aorta, and usually, it gives three branches, namely, from right to left, brachiocephalic trunk, left common carotid artery (LCCA), and left subclavian artery (LSCA).
The pericardial cavity was opened and the heart was removed by cutting superior and inferior venae cavae, the pulmonary veins, the arch of aorta and pulmonary trunk.
The other arterial repairs were internal carotid (2), ascending and arch of aorta (3), descending aorta (2), innominate artery (3) and pulmonary artery (1).
Per-operatively, a hard mass of about 6cm x 5cm was found in the aorto pulmonary area below the arch of aorta along with the pulmonary artery but not invading the vessels.