Mastoid foramen
| Mastoid foramen | |
|---|---|
skeletal | |
| Identifiers | |
| Latin | foramen mastoideum |
| TA98 | A02.1.06.008 |
| TA2 | 649 |
| FMA | 53159 |
| Anatomical terms of bone] | |
The mastoid foramen is a hole in the posterior border of the
emissary vein between the sigmoid sinus and the suboccipital venous plexus, and a small branch of the occipital artery, the posterior meningeal artery to the dura mater
.
Structure
The mastoid foramen is a hole in the posterior border of the temporal bone of the skull.[1]
The opening of the mastoid foramen is an average of 18 mm from the
Variation
The position and size of this foramen are very variable.suture between the temporal bone and the occipital bone.
Function
The mastoid foramen transmits:
- an emissary vein between the sigmoid sinus and the suboccipital venous plexus or the posterior auricular vein.[1][2]
- a small branch of the occipital artery, the posterior meningeal artery, to the dura mater.[2]
References
This article incorporates text in the public domain from page 141 of the 20th edition of Gray's Anatomy (1918)
External links
- "Anatomy diagram: 34257.000-1". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2012-07-22.
- "Anatomy diagram: 34257.000-2". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2013-06-22.
- Akram Abood Jaffar: Personal website, Anatomical variations
