external carotid plexus
An autonomic plexus that is formed by the external carotid nerves, surrounds the external carotid artery, and gives origin to a number of secondary plexuses along the branches of the external carotid artery.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.