External occipital protuberance

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External occipital protuberance
Gray129.png
Occipital bone. Outer surface. (External occipital protuberance visible at top center.)
Latin protuberantia occipitalis externa
Gray's subject #46 185

Near the middle of the occipital squama is the external occipital protuberance, and extending lateralward from it on either side is the superior nuchal line, and above this the faintly marked highest nuchal line.

It is less pronounced in females.

The inion is the highest point of the external occipital protuberance.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

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