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deep petrosal nerve in Medicine

deep petrosal nerve

n.
  1. The sympathetic part of the greater petrosal nerve, which arises from the internal carotid plexus and joins the nerve at the entrance of the pterygoid canal.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.