Medical Definition of Hiatus canalis nervi petrosi minoris
1.
The small opening in the petrous bone lateral to the hiatus of facial canal that gives passage to the lesser petrosal nerve.
Synonym: hiatus canalis nervi petrosi minoris, Arnold's canal, canalis nervi petrosi superficialis minoris.
(05 Mar 2000)
Lexicographical Neighbors of Hiatus Canalis Nervi Petrosi Minoris
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