Cranial Nerves and their Origin

Cranial nerves and it’s origin:

Cranial Nerves and their OriginOlfactory(1)–>Telencephalon

Optic(2)–>Diencephalon


Oculomotor(3)–>Anterior aspect of midbrain

Trochlear(4)-->Dorsal aspect of midbrain

Trigeminal(5)–>Pons

Abducent(6)–>Anterior margin of pons

Facial(7)–>Pons (cerebellopontine angle) above olive

Acoustic or Vestibulocochlear (or auditory-vestibular nerve or acoustic nerve(8)–>Lateral to CN VII (cerebellopontine angle)

Glossopharyngeal(9)–>Medulla

Vagus(10)–>Posterolateral sulcus of medulla

Accessory (or cranial accessory nerve or spinal accessory nerve)(11)-->Cranial and Spinal Roots

Hypoglossal(12)–>Medulla

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