![Internal occipital protuberance Internal occipital protuberance](/modules/owlapps_apps/img/errorimg.png)
Along the internal surface of the occipital bone, at the point of intersection of the four divisions of the cruciform eminence, is the internal occipital protuberance. Running transversely on either side is a groove for the transverse sinus.
This article incorporates text in the public domain from page 130 of the 20th edition of Gray's Anatomy (1918)
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