Dictionary

aortic arch

noun

Definition of AORTIC ARCH

:  one of the arterial branches in vertebrate embryos that exist in a series of pairs with one on each side of the embryo, connect the ventral arterial system lying anterior to the heart to the dorsal arterial system above the alimentary tract, and persist in adult fishes but are reduced or much modified in the adult of higher forms

First Known Use of AORTIC ARCH

1802

aortic arch

noun    (Medical Dictionary)

Medical Definition of AORTIC ARCH

1
:  one of the arterial branches in vertebrate embryos that exist in a series of pairs with one on each side of the embryo, that connect the ventral arterial system lying anterior to the heart to the dorsal arterial system above the alimentary tract, and that persist in adult fishes but are reduced or much modified in the adult of higher forms

Browse

Next Word in the Dictionary: aortographyPrevious Word in the Dictionary: aortaAll Words Near: aortic arch
March 29, 2015
discomfit Hear it
To thwart or disconcert
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears