Internal occipital protuberance

Internal occipital protuberance

Position of internal occipital protuberance (shown in red). Parietal bones removed.

Occipital bone. Inner surface. (Internal occipital protuberance visible at center, at the center of the horizontal and vertical lines.)
Details
Identifiers
Latin protuberantia occipitalis interna
TA A02.1.04.029
FMA 75755

Anatomical terms of 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.

Additional images

Human skull. Internal occipital protuberance shown in red. Parietal bones and temporal bones are removed. 
Occipital bone. Position of internal occipital protuberance shown in red. 
Base of the skull. Upper surface. (Internal occipital protuberance not labeled, but occipital bone is in blue at bottom, and Internal occipital protuberance is horizontally at the level of the transverse sinus, and vertically at the exact center.) 

See also

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

Wikimedia Commons has media related to Internal occipital protuberance.


This article is issued from Wikipedia - version of the 4/18/2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.