Skip to Content
Medical Term:

hiatus for greater petrosal nerve


Definition: 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 majorisTA, fallopian hiatus, Ferrein foramen, hiatus canalis facialis, hiatus of facial canal

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.