[a. med. or mod.L. aorta, a. Gr. ἀορτή, applied by Hippocrates in pl. to the bronchi, bronchia, or branches of the windpipe, but subseq. by Aristotle to the great artery, as in modern use; iit. that which is hung (cf. ἀορτήρ hanger, a strap), f. ἀείρ-ειν to raise, lift up.] The great artery or trunk of the arterial system, from its origin in the left ventricle of the heart to its division into the two iliac arteries. Also fig.

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1594.  T. B., La Primaud. Fr. Acad., II. 357. The great artery, called Aorta by the Physicions.

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1621.  Burton, Anat. Mel., I. i. I. iii. Aorta is the root of all the other [arteries], which serve the whole body.

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1859.  Carpenter, Anim. Phys., v. (1872), 226. From the arch of the aorta are given off the arteries which supply the head and upper extremities.

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1882.  Society, 7 Oct., 8/2. London’s great aorta, the Strand.

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