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double aorta |
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double aorta A congenital defect of the aorta in which both of the dorsal embryonic aortae persist and encircle the trachea and esophagus; after birth, and consequent to the aorta's growth in a region with limited space, the ring
produces a relative constriction, resulting in stridor and dysphagia. Cf Double-barreled aorta. 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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The typical reptilian heart, with its incompletely divided ventricle and double aorta, is quite functional at separating oxygenated and deoxygenated blood. |
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