Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun 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.
- noun One of a series of paired arteries in a vertebrate embryo that connects the ventral arterial system to the dorsal arterial system.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the part of the aorta that arches and turns downward
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chained_bear commented on the word aortic arch
A term I remember from my fifth-grade science project about earthworms. They have five aortic arches, or what we might call hearts. And if this isn't a real word, then I want credit for having made it up when I was in fifth grade.
March 11, 2008