11 results for: Aorta

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

a·or·ta

Audio Help [ey-awr-tuh] Pronunciation Key

–noun, plural -tas, -tae

Audio Help [-tee] Pronunciation Key. Anatomy.

the main trunk of the arterial system, conveying blood from the left ventricle of the heart to all of the body except the lungs.

[Origin: 1570–80; < ML < Gk aort the great artery, lit., something hung, carried; akin to aeírein to lift, carry

]

—Related forms

a·or·tic, a·or·tal, adjective

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
Aorta

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American Heritage Dictionary - Cite This Source - Share This

a·or·ta Audio Help (ā-ôr'tə) Pronunciation Key

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n. pl. a·or·tas or a·or·tae (-tē)
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, from Greek āortē, from āeirein, to lift; see wer-¹ in Indo-European roots.]

a·or'tal, a·or'tic adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
aorta

1578, from M.L. aorta, from Gk. aorte, term applied by Aristotle to the great artery of the heart, lit. "what is hung up," from aeirein "to raise," of unknown origin, related to the second element in meteor. Used earlier by Hippocrates of the bronchial tubes.

WordNet - Cite This Source - Share This

aorta
noun
the large trunk artery that carries blood from the left ventricle of the heart to branch arteries

The American Heritage Science Dictionary - Cite This Source - Share This

aorta Audio Help (ā-ôr'tə) Pronunciation Key
Plural aortas or aortae (ā-ôr'tē)
The main artery of the circulatory system, arising from the left ventricle of the heart in mammals and birds and carrying blood with high levels of oxygen to all the arteries of the body except those of the lungs.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
aorta [(ay-awr-tuh)]

The main blood vessel of the body; it carries blood from the left side of the heart to other arteries throughout the body. (See circulatory system.)

[Chapter:] Medicine and Health

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

a·or·ta (-ôrt)
n. pl. a·or·tas or a·or·tae (-t)

The large artery that is the main trunk of the systemic arterial system, arising from the base of the left ventricle, ending at the left side of the body of the fourth lumbar vertebra, dividing to form the right and left common iliac arteries, and whose parts are the ascending aorta, the aortic arch, and the descending aorta.

a·ortal or a·ortic adj.

Merriam-Webster's Medical Dictionary - Cite This Source - Share This

Main Entry: aor·ta
Pronunciation: A-'ort-&
Function: noun
Inflected Form: plural aor·tas or aor·tae /-E/
: the large arterial trunk that carries blood from the heart to be distributed by branch arteries through the body

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Aorta

A*or"ta\, n. [NL., fr. Gr. ?, fr. ? to lift, heave.] (Anat.) The great artery which carries the blood from the heart to all parts of the body except the lungs; the main trunk of the arterial system.

Note: In fishes and the early stages of all higher vertebrates the aorta divides near its origin into several branches (the aortic arches) which pass in pairs round the [oe]sophagus and unite to form the systemic aorta. One or more pairs of these arches persist in amphibia and reptiles, but only one arch in birds and mammals, this being on the right side in the former, and on the left in the latter.

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AORTA

AORTA: in Acronym Finder

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