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external carotid artery |
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external carotid artery, one of a pair of arteries with eight major temporal or maxillary branches, rising from the common carotid arteries. It supplies various parts and tissues of the head and neck. 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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Cerebral angiography revealed that the tumor was primarily supplied by three branches of the left external carotid artery--the left posterior occipital artery, the ascending pharyngeal artery, and the posterior auricular artery--with a minor contribution from the petrous branch of the left internal carotid artery. But in the operation, surgeons had to tie off the external carotid artery because the cancer had wrapped itself around the blood vessel in his neck. Flow reversal is achieved at the treatment site by selectively occluding common carotid and external carotid artery blood flow. |
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