Groove for Sigmoid Sinus is a groove in the posterior cranial fossa.^[1] It starts at lateral parts of occipital bone, curves around jugular process, and ends at posterior inferior angle of parietal bone. After that, groove for sigmoid sinus continues as groove for transverse sinus.^[2]

• Sigmoid sinus

• http://ect.downstate.edu/courseware/haonline/labs/l22/os0808.htm Archived 2016-04-29 at the Wayback Machine