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left subclavian artery |
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left subclavian artery, an artery, divided into three parts, that arises from the aortic arch to supply the vertebral column, spinal cord, ear, and brain. The short second part lies dorsal to the scalenus anterior and forms the arch described by the vessel. The third part runs from the scalenus anterior to the first rib, where it becomes the axillary artery. Compare right subclavian artery. See also subclavian artery. 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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| ? Mentioned in | ? References in periodicals archive | |
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The two most common aortic arch anomalies that cause airway compression are (1) a double aortic arch and (2) a right aortic arch with an aberrant left subclavian artery and left ligamentum arteriosum. A 28 x 7-cm endoluminal Excluder endoprosthesis was placed with the proximal end at the level of the take-off of the left subclavian artery. |
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