Arch, aortic: See: Aortic arch.
aortic arch n. 1. The curved portion between the ascending and descending portions of the aorta, lying behind the manubrium and giving rise to the brachiocephalic ...
Aortic arch: The second section of the aorta. The aorta first ascends, then bends, and then descends. The bend is the aortic arch. It gives off the brachiocephalic trunk ...
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 ...
arch (ahrch) a structure of bowlike or curved outline. arch of aorta , aortic arch the curving portion between the ascending aorta and the descending aorta, giving ...
Aortic Arch. Aortic Arch summary with 2 pages of encyclopedia entries, research information, and more.