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  1. Oxford Dictionary

    aorta

    • IPA[eɪˈɔːtə]

    英式

    • n.
      the main artery of the body, supplying oxygenated blood to the circulatory system. In humans it passes over the heart from the left ventricle and runs down in front of the backbone.

    • noun: aorta, plural noun: aortas

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    aorta

    • IPA[āˈôrdə]

    美式

    • n.
      the main artery of the body, supplying oxygenated blood to the circulatory system. In humans it ...

    Oxford American Dictionary