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aortic arch

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noun Embryology.

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.

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Origin of aortic arch

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use aortic arch in a sentence

Medical definitions for aortic arch

aortic arch

n.

The curved portion between the ascending and descending portions of the aorta, lying behind the manubrium and giving rise to the brachiocephalic trunk, the left common carotid, and the left subclavian arteries.arch of aorta
Any of several pairs of arterial channels encircling the embryonic pharynx in the mesenchyme of the branchial arches.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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