The Cranial Nerves.

Mnemonics to remember: Cranial Nerves.

On Old Olympus’ towering top a Fin and German viewed some Hops: Explain below:


  • O: Olfactory nerve (CN I)
  • O: Optic nerve (CN II)
  • O: oculomotor nerve (CN III)
  • T: Trochlear nerve (CN IV)
  • T: Trigeminal nerve (CN V)
  • A: Abducens nerve (CN VI)
  • F: Facial Nerve (CN VII)
  • A: Auditory (or Vestibulocochlear) nerve (CN VIII)
  • G: Glossopharyngeal Nerve (CN IX)
  • V: Vagus nerve (CN X)
  • S: Spinal Accessory Nerve (CN XI)
  • H: Hypoglossal (CN XII)


Sensory Or Motor?


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  • S: Sensory (Olfactory nerve – CN I)
  • S: Sensory (Optic nerve – CN II)
  • M: Motor (oculomotor nerve – CN II)
  • M Motor ( trochlear nerve – CN IV)
  • B: Both (trigeminal nerve – CN V)
  • M: Motor (abducens nerve – CN VI)
  • B: both (facial nerve – CN VII)
  • S: sensory (vestibulocochlear Nerve -CN VIII)
  • B: Both (glossopharyngeal nerve CN IX)
  • B:Both (vagus nerve – CN X)
  • M: Motor (spinal accessory nerve – CN XI)
  • M: Motor (hypoglossal Nerve – CN XII)

The Practical


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