Medical Definition of Petrous ganglion
1.
The lower of two sensory ganglion's on the glossopharyngeal nerve as it traverses the jugular foramen.
Synonym: ganglion inferius nervi glossopharyngei, Andersch's ganglion, extracranial ganglia, ganglion extracraniale, petrosal ganglion, petrous ganglion.
(05 Mar 2000)
Lexicographical Neighbors of Petrous Ganglion
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