n.pl. a·or·tas or a·or·tae(-te)
The main trunk of the systemic arteries, carrying blood from the left side of the heart to the arteries of all limbs and organs except the lungs.
[New Latin, fromGreekāorte, fromāeirein, to lift; see wer-1 in the Appendix of Indo-European roots.]
(click for a larger image)aorta
A. arch of aorta
B. abdominal aorta
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