Cranial cavity

... vagus nerve has the most extensive distribution in the body of all the cranial nerves, innervating structures as diverse as the external surface ... and internal abdominal organs. The root of the nerve exits the cranial cavity via the jugular foramen. Within the foramen is the superior ganglion, ...

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You need to look at the floor of the cranial cavity from the above view. One more hint. The bone helps form the base of the cranium.

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