aortic arch

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Related to aortic arch anomalies: right aortic arch

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 ?
It completely encircles the trachea and esophagus Aortic arch anomalies that form a vascular ring can compress the trachea and esophagus.
The two most common aortic arch anomalies that cause airway compression are (1) a double aortic arch and (2) a right aortic arch with an aberrant left subclavian artery and left ligamentum arteriosum.
Aortic arch anomalies are the result of abnormal embryologic development with patency of a vascular segment that should have normally regressed.