Show pageBacklinksCite current pageExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. The posterior surface of the petrosal portion of the [[temporal bone]] is relatively flat and forms part of the [[posterior cranial fossa]]. It is separated from the [[occipital bone]] by the [[sigmoid sulcus]] and is in close proximity to the [[sigmoid sinus]] and [[internal auditory canal]], which contain important structures such as the [[facial nerve]] and [[cochlea]] sigmoid_sulcus.txt Last modified: 2024/06/07 02:58by 127.0.0.1