Internal occipital protuberance Tags: Anatomical Structure, Bone.Along the internal surface of the occipital bone at the point of intersection of the four divisions of the cruciate eminence is the internal occipital protuberance. Running transversely on either side is a groove for the transverse sinus. thumbnail Dorlands prefix p_38 Dorlands suffix 12673898 Gray page 130 Gray subject 31 Learn more... Loading...