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.) | |
| Details | |
| Identifiers | |
| Latin | protuberantia occipitalis externa |
| TA98 | A02.1.04.022 |
| TA2 | 568 |
| FMA | 75752 |
| Anatomical terminology] | |
Near the middle of
trapezius muscle
attach to it.
The inion (ἰνίον, iníon, Greek for the occipital bone) is used as a landmark in the
10-20 system in electroencephalography (EEG) recording. Extending laterally from it on either side is the superior nuchal line, and above it is the faintly marked highest nuchal line
.
A study of 16th-century Anatolian remains showed that the external occipital protuberance statistically tends to be less pronounced in female remains.[1]
Additional images
-
Position of external occipital protuberance (shown in red). Animation.
See also
References
This article incorporates text in the public domain from page 185 of the 20th edition of Gray's Anatomy (1918)
- PMID 12762519.
External links
Wikimedia Commons has media related to External occipital protuberance.
- "Anatomy diagram: 34257.000-1". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2012-07-22.
- https://web.archive.org/web/20071223042432/http://www.upstate.edu/cdb/grossanat/hnsklatob1.shtml
