2.1 Cranial Nerve Exit Foramina Only Flashcards
Which cranial nerves exit via the jugular foramen?
CN IX (glossopharyngeal)
CN X (vagus)
CN XI (accessory)
Where do the first, second, and third branches of the trigeminal nerve (ophthalmic, maxillary, and mandibular) exit the skull respectively?
Ophthalmic -> superior orbital fissure.
Maxillary -> foramen rotundum.
Mandibular -> foramen ovale.
What does the abducens nerve exit the skull?
At the superior orbital fissure.
Which cranial nerve go through the cribiform plate?
CN I
Where does the spinal accessory nerve exit the skull?
At the jugular foramen.
Which cranial nerves exit via the internal acoustic meatus?
CN VII (facial)
CN VIII (vestibulocochlear)
Where does the vagus nerve exit the skull?
The jugular foramen.
Which cranial nerve goes through the foramen rotundum?
CN V2 (maxillary branch of the trigeminal nerve)
Which cranial nerve go through the optic canal?
CN II
Which cranial nerves go through the superior orbital fissure?
CN III, CN IV, first part of CN V, and CN VI
Where do cranial nerves VII and VIII (facial and vestibulocochlear) exit the skull?
Internal acoustic meatus.
Which cranial nerve goes through the foramen ovale?
CN V3 (mandibular branch of the trigeminal nerve)