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Medical Definition of Hiatus canalis nervi petrosi majoris
1. The opening on the anterior aspect of the petrous part of the temporal bone which leads to the facial canal and gives passage to the greater petrosal nerve. Synonym: hiatus canalis nervi petrosi majoris, fallopian hiatus, Ferrein's foramen, hiatus canalis facialis, hiatus of canal for greater petrosal nerve. (05 Mar 2000)
Lexicographical Neighbors of Hiatus Canalis Nervi Petrosi Majoris
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