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What is "aorta"

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aorta
Longman Dictionary of Contemporary English
aorta
noun
EXAMPLES FROM CORPUS
▪ Aneurysms of the aorta and other vessels: &.
▪ In these accidents the air-bag punch-out forces caused a ruptured aorta, rib fractures, severe myocardial contusions, etc.
▪ It was a mercy we did, for X-rays revealed not only back trouble, but a massive abdominal aorta aneurysm.
▪ No expression was detected in aorta, vena cava and other rabbit tissues.
▪ Now, I may fear a collapsed bridge or an inadvertently sliced aorta.
▪ The most critical is a life-threatening weakness in the aorta -- the major blood vessel from the heart.
▪ The third important complication of cardiovascular syphilis is the development of aneurysms in the wall of the aorta or other major arteries.
▪ We suggest that this is misleading as different workers have used different sizes of the aorta to define an aneurysm.
The Collaborative International Dictionary
Aorta

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.

Douglas Harper's Etymology Dictionary
aorta

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," which is of uncertain origin; related to the second element in meteor. Used earlier by Hippocrates of the bronchial tubes. Related: Aortal; aortic.

Wiktionary
aorta

n. 1 (label en anatomy) 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. 2 (label en figuratively) The liveliest part of something.

WordNet
aorta

  1. n. the large trunk artery that carries blood from the left ventricle of the heart to branch arteries

  2. [also: aortae (pl)]

Related phrases:
Wikipedia
Aorta

The aorta is the main artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arteries (the common iliac arteries). The aorta distributes oxygenated blood to all parts of the body through the systemic circulation.

Aorta (band)

Aorta were an American psychedelic rock band from Chicago who recorded two albums in the late 1960s and early 1970s.

Related phrases:

Usage examples of "aorta".

Under local anesthetic, a thin, flexible catheter was passed up the femoral artery in the leg, to the aorta, and finally to the celiac axis, a network of arteries coming off the aorta to supply blood to all the upper-abdominal organs.

The only findings were minimal atheroma formation in the abdominal aorta and a benign-appearing polyp in the large intestine.

Zillner attributed this circumstance to the small size of the wound, atheroma and degeneration of the aorta and slight retraction of the inner coat, together with a possible plugging of the pericardial opening.

Note the connection of each kidney with the aorta and the inferior vena cava by the renal artery and the renal vein.

At the postmortem the cicatrix in the chest was plainly visible, and in the ascending aorta there was seen a wound, directly in the track of the knife, which was of irregular border and was occupied by a firm coagulum of blood.

Squire tells of a case in which the mother died of dilatation of the aorta, and in from twenty to thirty minutes the child was saved.

The ductus arteriosus is a small blood vessel that in the fetus joins the aorta to the pulmonary artery.

A probe passed along the aorta into the innominate protruded into the same cavity about the bifurcation of the vessel.

Within their little dark universe, they would not hesitate to devour each other, and many were the bloody battles fought in aorta and mesenteric arteries.

Warren reported a case of the abdominal aorta which commenced at the origin of the celiac axis and passed on to the surfaces of the psoas and iliac muscles, descending to the middle of the thigh The total length of the aneurysm was 19 inches, and it measured 18 inches in circumference.

The pulse is described as a wave of distension and elongation felt in an artery wall due to the contraction of the left ventricle forcing about 90 millilitres of blood into the already full aorta.

The next step was particularly critical: the placement of the arterial infusion cannula into the aorta to perfuse the coronary arteries.

Blood from her torn aorta had filled the chest cavity and also flooded the pericardial sac.

When the great vein trunk has poured blood into this pouch until it is swollen full and tight, these muscles in its walls shut down sharply and squirt or squeeze the blood in the heart-pouch into the great artery-pipe, the aorta.

Between the clavicles another pulsatile swelling was easily felt but hardly seen, which was doubtless the arch of the aorta, as by putting the fingers on it one could feel a double shock, synchronous with distention and recoil of a vessel or opening and closing of the semilunar valves.