Anatomy study note · Head and neck

Vestibulocochlear nerve

The eighth cranial nerve (sensory), with vestibular fibres for position and movement of the head and cochlear fibres for hearing.

Key points

• CN VIII: vestibular (balance) + cochlear (hearing).
• Internal acoustic meatus with VII.
• Spiral ganglion (cochlea), vestibular ganglion.
• Vestibulocochlear ganglion: neural crest; bipolar cells.
• Spiral ganglion in the modiolus.
• Nerve: epineurium → perineurium (blood–nerve barrier) → endoneurium.

The full note in the atlas also covers

Course · Histology · Development

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Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 12, PDF pp. 1675–1677, 1717
• Inderbir Singh’s Human Embryology, ch. 19, PDF p. 363
• BRS Cell Biology & Histology, 7th ed., ch. 9, PDF pp. 163–166, 166, 171–172; ch. 21, PDF p. 390

More from the head and neck

• Vitreous body
• Zygomatic bone
• Abducens nerve
• Accessory nerve
• Anterior cerebral artery
• Aqueous humour
• Arteries of the face
• Arytenoid cartilage
• Arytenoid muscles
• Cerebellum
• Cerebrum
• Cervical plexus

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