Those running in the groove for superior sagittal sinus
- Superior sagittal sinus.The superior sagittal sinus begins at the crist galli and runs posteriorly along the base of the falx cerebli. At the internal occipital protuberance, the superior sagittal sinus, straight sinus, occipital sinus, and transverse sinus join (confluence of sinuses) and run through the sigmoid sinus to the internal jugular vein. These dural venous sinuses receive veins from the cerebrum and dura mater.