Mastoid foramen
| Mastoid foramen | |
|---|---|
Left temporal bone. Inner surface. (Mastoid foramen labeled at bottom left.)  | |
Base of the skull. Upper surface. (Temporal bone is pink, and label for mastoid foramen is at left, second from the bottom.)  | |
| Details | |
| Part of | Temporal bone of skull | 
| System | 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 temporal bone. It transmits an 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.