hiatus canalis facialis


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hi·a·tus for great·er pe·tro·sal nerve

[TA]
the opening on the anterior aspect of the petrous part of the temporal bone that leads to the facial canal and gives passage to the greater petrosal nerve.
Synonym(s): hiatus canalis nervi petrosi majoris [TA], fallopian hiatus, Ferrein foramen, hiatus canalis facialis, hiatus of facial canal

hiatus canalis facialis

A hiatus of the canal for the greater petrosal nerve.
Synonym: hiatus canalis facialis
See also: hiatus
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