Meaning of AORTA
| Pronunciation: | | ey'ortu
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 WordNet Dictionary |
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| | Definition: | | [n] the large trunk artery that carries blood from the left ventricle of the heart to branch arteries |
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| | See Also: | | abdominal aorta, aortic arch, arteria, artery, ascending aorta, descending aorta, thoracic aorta | |
| Webster's 1913 Dictionary |
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| | Definition: | | \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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| Medical Dictionary |
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| | Definition: | | blood vessel that delivers oxygen-rich blood from the left ventricle to the body; it is the largest blood vessel in the body. |
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| Biology Dictionary |
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| | Definition: | |
- The main artery which leaves the heart.
- This is the artery arising from the left ventricle of the heart, in which blood flows from the heart to the body. The most common medical problem of the aorta is atherosclerosis.
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