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petrous ganglion

petrous ganglion in Medicine

petrous ganglion n.
The lower of two sensory ganglions on the glossopharyngeal nerve as it traverses the jugular foramen. Also called inferior ganglion of glossopharyngeal nerve.

The American HeritageĀ® Stedman's Medical Dictionary
Copyright Ā© 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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