1 – Lambdoid suture; 2 – Occipital bone; 3 – Parietal foramen; 4 – Frontal bone; 5 – Coronal suture; 6 – Parietal bone; 7 – Sagittal suture; 8 – Frontal sinus; 9 – Frontal crest; 10 – Groove for superior sagittal sinus; 11 – Granular foveolae; 12 – Arterial grooves