Cranial Nerves: The cephalic level of contact with the CNS ?

[nukeman]

Cranial Nerves: The cephalic level of contact with the CNS...?

Homework Statement

I am having to list off the 12 pairs of cranial nerves.. But, I also have to list the following for each one.

"The cephalic level of contact with the CNS (eg. telencephalon) where the nerves nuclei are found"

I don't quite understand? Can someone provide any clarification?

Homework Equations

The Attempt at a Solution

 

[nate808]

I am happy to provide clarification on the cephalic level of contact with the CNS for each of the 12 pairs of cranial nerves. The CNS (central nervous system) is made up of the brain and spinal cord, and the cephalic level refers to the region of the head where the cranial nerves originate and make contact with the CNS. Each cranial nerve has a specific region of the CNS where its nuclei (clusters of nerve cell bodies) are located.

1. Olfactory nerve (I) - Telencephalon (specifically the olfactory bulb)
2. Optic nerve (II) - Diencephalon (specifically the thalamus and hypothalamus)
3. Oculomotor nerve (III) - Mesencephalon (specifically the midbrain)
4. Trochlear nerve (IV) - Mesencephalon (specifically the midbrain)
5. Trigeminal nerve (V) - Pons (specifically the trigeminal nucleus)
6. Abducens nerve (VI) - Pons (specifically the abducens nucleus)
7. Facial nerve (VII) - Pons (specifically the facial nucleus)
8. Vestibulocochlear nerve (VIII) - Pons (specifically the vestibular and cochlear nuclei)
9. Glossopharyngeal nerve (IX) - Medulla (specifically the nucleus ambiguus)
10. Vagus nerve (X) - Medulla (specifically the nucleus ambiguus)
11. Accessory nerve (XI) - Medulla (specifically the spinal accessory nucleus)
12. Hypoglossal nerve (XII) - Medulla (specifically the hypoglossal nucleus)

I hope this helps clarify the cephalic level of contact with the CNS for each of the cranial nerves. Let me know if you have any further questions.