In the lateral part of the

jugular fossa The jugular fossa is a deep depression ( fossa) in the inferior part of the temporal bone at the base of the skull. It lodges the bulb of the internal jugular vein. Structure The jugular fossa is located in the temporal bone, posterior to the ...

of the

temporal bone The temporal bone is a paired bone situated at the sides and base of the skull, lateral to the temporal lobe of the cerebral cortex. The temporal bones are overlaid by the sides of the head known as the temples where four of the cranial bone ...

is the mastoid canaliculus for the entrance of the auricular branch of the

vagus nerve The vagus nerve, also known as the tenth cranial nerve (CN X), plays a crucial role in the autonomic nervous system, which is responsible for regulating involuntary functions within the human body. This nerve carries both sensory and motor fibe ...

Additional images

File:Gray187.png, Base of skull. Inferior surface.

References

External links

* Foramina of the skull {{musculoskeletal-stub Human head and neck Skull Otorhinolaryngology