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aorta |
Also found in: Medical, Acronyms, Encyclopedia, Wikipedia, Hutchinson | 0.01 sec. |
aorta [eɪˈɔːtə] n pl -tas, -tae [-tiː] (Life Sciences & Allied Applications / Anatomy) the main vessel in the arterial network, which conveys oxygen-rich blood from the heart to all parts of the body except the lungs [from New Latin, from Greek aortē, literally: something lifted, from aeirein to raise] aortic , aortal adj
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| We report an unusual case in which a patient presented with a large posterior mediastinal goiter that extended to the level of the aorta. The aorta is the body's biggest artery and an enlarged root can stretch out the aortic valve, causing it to leak. Because of faulty connective tissue, the wall of the aorta (the large artery that carries blood from the heart to the rest of the body) may be weakened and stretch, a process called aortic dilation. |
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