A shallow groove, sometimes double, leading lateralward and backward to an oblique opening, the<unk>  (or hiatus of the facial canal), for the passage of the<unk>  superficial<unk>  nerve and the<unk>  branch of the middle meningeal artery.
Hiatus for greater petrosal nerve
Hiatus for lesser petrosal nerve
Nasopalatine nerve
Vestibulocochlear nerve
Labyrinthine artery
Trigeminal nerve
Vestibular nerve
Auriculotemporal nerve