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

Even though he underwent an aortic valve replacement in 2008, he insists he has no intention of retiring anytime soon.
Jim Lehrer’s Cross-Country Fantasy Sandra McElwaine April 23, 2010

Doctors there performed a 20-hour surgery in an attempt to repair his aortic dissection.
What Killed Richard Holbrooke? Casey Schwartz December 13, 2010

The hard work began after Walters had her aortic valve replaced with one from a cow.
Barbara Walters Opens Up About Her Heart Surgery Howard Kurtz February 1, 2011

Historical Examples

Diseases of the aortic valves of the heart cause visible pulsations of the arteries, especially of those in the neck.
Essays In Pastoral Medicine Austin Malley

Low diastolic pressure is frequently pathognomonic of aortic insufficiency.
Arteriosclerosis and Hypertension: Louis Marshall Warfield

The common feature in the aortic changes and in the calcified muscular coat is the element of age.
A System of Practical Medicine by American Authors, Vol. I Various

aortic stenosis, the rarest of the valvular lesions, is practically always accompanied by high pressure picture.
Arteriosclerosis and Hypertension: Louis Marshall Warfield

The aortic valve has the same structure as the pulmonary, though the cusps are more massive.
Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 Various

aortic insufficiency also may be accompanied by a high systolic or by a normal systolic pressure.
Arteriosclerosis and Hypertension: Louis Marshall Warfield

In aortic insufficiency the situation is somewhat different.
Arteriosclerosis and Hypertension: Louis Marshall Warfield

noun (pl) -tas, -tae (-tiː)
the main vessel in the arterial network, which conveys oxygen-rich blood from the heart to all parts of the body except the lungs

1570s, from Medieval Latin aorta, from Greek aorte, term applied by Aristotle to the great artery of the heart, literally “what is hung up,” from aeirein “to lift, heave, raise,” of uncertain origin; related to the second element in meteor. Used earlier by Hippocrates of the bronchial tubes. Related: Aortal; aortic.

aorta a·or·ta (ā-ôr’tə)
n. pl. a·or·tas or a·or·tae (-tē)
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·or’tal or a·or’tic adj.
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.
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.)


Read Also:

  • Aortic arch

    one member of a series of paired curved blood vessels that arise in the embryo from the ventral aorta, pass around the pharynx through the branchial arches, and join with the dorsal aorta to form the great vessels of the head and neck. Historical Examples Modifications of pattern in the aortic arch system of birds […]

  • Aortic arch syndrome

    aortic arch syndrome aortic arch syndrome n. Obstruction of the branches of the aortic arch caused by thrombosis.

  • Aortic atresia

    aortic atresia aortic atresia n. The congenital absence of the normal valvular orifice into the aorta.

  • Aortic bulb

    aortic bulb aortic bulb n. The dilated first part of the aorta containing the aortic semilunar valves and the aortic sinuses.

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