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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use aortic arch in a sentence
The mandibular aortic arch is situated close to its inner side, Pl.The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
Modifications of pattern in the aortic arch system of birds and their phylogenetic significance.Thoracic and Coracoid Arteries In Two Families of Birds, Columbidae and Hirundinidae | Marion Anne Jenkinson
Remnants of the left aortic arch persist sometimes in the shape of a ligamentous strand.
The second arch becomes the aortic arch, the third the left exterior carotid.Evolution | Joseph Le Conte
It may be well to observe that in birds the one aortic arch turns to the right, while in mammals it turns to the left.Evolution | Joseph Le Conte