The temporal bone, transversal section of the petrous part.
Illustration of transversal section of the petrous portion of the temporale bone.
| Term name | Layer | |
|---|---|---|
| 1 | Prominence of lateral semicircular canal | Layer 1 |
| 2 | Vestibule | Layer 1 |
| 3 | Anterior semicircular canal | Layer 1 |
| 4 | Facial canal | Layer 1 |
| 5 | Cochlea | Layer 1 |
| 6 | Carotid canal | Layer 1 |
| 7 | Apex of petrous part | Layer 1 |
| 8 | Opening of vestibular canaliculus | Layer 1 |
| 9 | Tympanic cavity | Layer 1 |
| 10 | Mastoid antrum | Layer 1 |
| 11 | Groove for sigmoid sinus | Layer 1 |
| 12 | Posterior semicircular canal | Layer 1 |
| 13 | Lateral semicircular canal | Layer 1 |
| 14 | External acoustic meatus | Layer 1 |
| 15 | Zygomatic process | Layer 1 |
| 16 | Mastoid cells | Layer 1 |