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aorta    音标拼音: [e'ɔrtə]
n. 大动脉

大动脉

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

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.
[1913 Webster]

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.
[1913 Webster]
[1913 Webster]


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  • Aorta - Wikipedia
    In anatomical sources, the aorta is usually divided into sections for easier understanding [2][3][4][5] One way of classifying a part of the aorta is by anatomical compartment, where the thoracic aorta (or thoracic portion of the aorta) runs from the heart to the diaphragm
  • Aorta: Anatomy, Function, and Signs of a Problem
    The aorta is the largest blood vessel in the body and carries oxygen-rich blood from the heart to the rest of the body The aorta begins at the left ventricle, extends upward to form an arch, and continues downward into the iliac arteries just above the pelvis
  • Aorta: Anatomy and Function - Cleveland Clinic
    The aorta is a large, cane-shaped vessel that delivers oxygen-rich blood to your body It starts in the lower-left part of the heart and passes through the chest and abdomen Along the way, blood vessels branch off the aorta, extending to organs and supporting tissue
  • What Is Your Aorta? Function, Location, and Conditions
    Because every drop of blood your heart pumps passes through the aorta first, conditions affecting it can be life-threatening in ways that few other blood vessel problems are The aorta is divided into two broad segments separated by the diaphragm, the muscular sheet between your chest and abdomen
  • Aorta Anatomy: Location, Structure Blood Flow
    Understanding aortic anatomy helps explain how circulation works, why blood pressure matters, and how conditions such as an aortic aneurysm or dissection can affect health The aorta starts at the left ventricle, which pushes oxygenated blood out of the heart and into the systemic circulation
  • Aorta Health: Risks and Symptoms of Aneurysm - American Heart Association
    The aorta carries oxygen-rich blood from the heart to the body An aortic aneurysm is a weakened or bulging area on the wall of the aorta Aortic aneurysms can cause a rupture or dissection Symptoms of an aortic emergency should be treated right away
  • Guide to the Aorta | Columbia Surgery
    Where is the Aorta? The aorta runs right down the middle of your body But it doesn’t take a completely straight path It starts at the aortic valve, a special flap that connects the heart to the aorta The aortic valve’s job is to keep blood from flowing backwards after it’s left the heart





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