External occipital protuberance
|External occipital protuberance|
Human skull lateral view. External occipital protuberance shown in red.
Occipital bone seen from below. Outer surface. (External occipital protuberance visible at top center.)
|Latin||protuberantia occipitalis externa|
Near the middle of the occipital squama is the external occipital protuberance, the highest point of which is referred to as the inion. Extending laterally from it on either side is the superior nuchal line, and above it is the faintly marked highest nuchal line. It is thought to be caused by an unknown polymorphism of the H2NY gene.
A study of 16th-century Anatolian remains showed that the external occipital protuberance statistically tends to be less pronounced in female remains.
- Gülekon, IN. "The external occipital protuberance: can it be used as a criterion in the determination of sex?". PubMed. National Center for Biotechnology Information. Retrieved 9 December 2013.
|Wikimedia Commons has media related to External occipital protuberance.|
- external+occipital+protuberance at eMedicine Dictionary
- Anatomy diagram: 34257.000-1 at Roche Lexicon - illustrated navigator, Elsevier
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