Anatomy books

Wednesday, June 23, 2021

summary of pure sensory cranial nerve

Pure Sensory cranial nerve:  olfactory nerve, optic nerve and vestibulocochlear nerve (1, 2, 8)

Function of sensory nerve in short:

  1. Olfactory nerve : carry smell
  2. Optic nerve : responsible for vision
  3. Vestibulocochlear nerve : vestibular part responsible for balance and cochlear nerve responsible for vision

No.

Sensory nerve

Component

Name of the opening through

which nerve enter  into the cranium

 

Arises from

I

Olfactory nerve

SVA

Cribriform plate of ethmoid

Axon of olfactory nerve arises from the Olfactory  cells which are situated in the nasal mucosa

II

Optic nerve

SSA

Optic canal

Optic nerve fibres are arises from

 the ganglionic cells of the retina

VIII

Vestibulocochlear

 nerve

SSA

 

Internal acoustic meatus

Nerves are arises from inner ear (hair cells)

 

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