Groove for greater petrosal nerve of temporal boneCheck our Apps3D Heart AnatomyXR Anatomy3D Osteology 3D OsteologyAll visual materials are sourced directly from the app 3D OsteologyLearn MoreThe groove for the greater petrosal nerve is a shallow groove, obliquely oriented on the anterior surface of the petrous part. This groove leads to the hiatus of the greater petrosal nerve. (1,9)