Inferior view of the temporal bone
        
        | Term name | Layer | |
|---|---|---|
| 1 | Carotid canal | Layer 1 | 
| 2 | Occipital margin | Layer 1 | 
| 3 | Jugular foramen | Layer 1 | 
| 4 | Tympanosquamous fissure | Layer 1 | 
| 5 | Petrosquamous fissure | Layer 1 | 
| 6 | Petrotympanic fissure [[Glaseri]] | Layer 1 | 
| 7 | Petrosal fossula | Layer 1 | 
| 8 | Tympanic canaliculus | Layer 1 | 
| 9 | Stylomastoid foramen | Layer 1 | 
| 10 | Styloid process | Layer 1 | 
| 11 | Mastoid canaliculus | Layer 1 | 
| 12 | Jugular fossa | Layer 1 | 
| 13 | Opening of cochlear canaliculus | Layer 1 | 
| 14 | Musculotubal canal | Layer 1 | 
| 15 | Apex of petrous part | Layer 1 | 
| 16 | Mastoid process | Layer 1 | 
| 17 | Mastoid notch | Layer 1 | 
| 18 | Occipital groove | Layer 1 |