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
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First Known Use of AORTIC ARCH
1802
Medical Dictionary
aortic arch
noun
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
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