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aorta

noun

aor·​ta ā-ˈȯr-tə How to pronounce aorta (audio)
plural aortas or aortae ā-ˈȯr-tē How to pronounce aorta (audio)
: the great arterial trunk that carries blood from the heart to be distributed by branch arteries through the body see heart illustration
aortic adjective

Example Sentences

Recent Examples on the Web Decker's ascending aorta is essentially thinning and there's pressure building in his heart, the family said. David Begnaud, CBS News, 1 Sep. 2022 The aorta, the largest blood vessel in the body, comes directly off the heart, ascends to form an arch, then descends through the chest and into the abdomen. Dr. Keith Roach, oregonlive, 9 Aug. 2022 The robber then fired two shots, police said, sending one bullet into Bartek’s right side that tore through his chest and severed his aorta. Cory Shaffer, cleveland, 27 July 2022 Some versions of the disease focus on large vessels like the aorta, while others can focus on small vessels in the ear or brain. Tomás Mier, Rolling Stone, 8 Aug. 2022 Her aorta, liver, lungs and stomach were repeatedly penetrated by a sharp blade, a medical examiner said in determining the death was a homicide. Richard Winton, Los Angeles Times, 2 Aug. 2022 The bullet tore through his body, severely damaging his aorta, liver, esophagus and spinal cord before exiting through his chest. CBS News, 27 July 2022 Faulkner suffered a tear in his aorta in 2019 and soon after, his kidneys failed him. Rodney Ho, ajc, 4 July 2022 Per the Mayo Clinic, an aortic dissection occurs when the inner layer of the body’s main artery tears, allowing blood to rush through and split the middle and inner layers of the aorta. Jon Blistein, Rolling Stone, 27 June 2022 See More

Word History

Etymology

borrowed from Medieval Latin, borrowed from Greek aortḗ "aorta, bronchial tubes (in plural aortaí), knapsack," nominal derivative from the stem of aeírein "to join, attach, harness," of uncertain origin

Note: The word appears earlier as Middle English aborchi, abhorti, adorte "aorta," comparable with Middle French aborthi and Medieval Latin adorti; these forms most likely reflect Latin translation of the Arabic versions of Greek medical texts. — The Greek medical term aortḗ belongs to a small set of forms based on aeírein that refer to both attachment and suspension, as áōrto "was hung" ("[máchaira]… pàr xípheos méga kouleón aeìn áōrto" - "[the knife]… was always hung beside the great sheath of his sword"—Iliad 3, 272), aortḗr "belt or strap for hanging a sword or satchel," and aórtēs "knapsack." Perhaps the aorta was pictured as an organ attached to and suspended from the heart in the way a scabbard is hung from a belt. Note that the verb aeírein displays two sets of meanings, that of harnessing and attachment (outside of nominal derivation almost always with the prefix syn- syn-) and of lifting or raising. Whether or not these should be regarded as two verbs of distinct origin or as semantic branches of the same verb is unclear. Though an Indo-European verb base *h2u̯er- can be reconstructed from the Greek evidence, there appear to be no definitely comparable forms outside Greek. See also artery, meteor.

First Known Use

1543, in the meaning defined above

Time Traveler
The first known use of aorta was in 1543

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