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left atrium |
Also found in: Dictionary/thesaurus, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
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left atrium (LA), the uppermost chamber on the left side of the heart. It receives blood from the pulmonary veins. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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[Editor's note: This is the backward leaking of blood in the heart from the left ventricle (lower chamber) to the left atrium (upper chamber). The now oxygen rich blood travels into the pulmonary vein (this is the only vein in the body to carry oxygenated blood) and then goes into the left atrium. He attributed a case of left vocal fold immobility to compression of the recurrent laryngeal nerve by a dilated left atrium in a patient with mitral valve stenosis. |
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