1. Cranial Nerves • 12 pair • Name and number
• Emanate from the brain stem
• Sensory, motor, or mixed

4. Filaments of
olfactory
nerve (I)
Olfactory bulb
Olfactory tract
Optic nerve
(II)
Optic chiasmptic t
Ractnerve (III)
Trochlear
nerve (IV)
Trigeminal
nerve (V)
Abducens
nerve (VI)
Cerebellum
Medulla
oblongata
Frontallobe
Temporallobe
Infundibulum
Facial
nerve (VII)
Vestibulo-
cochlear
nerve (VIII)
Glossopharyngeal
nerve (IX)
Vagus nerve (X)
Accessory nerve (XI)
Hypoglossal nerve (XII)
Oculomotor

5. VIII Vestibulocochlear No Sensory function Yes (taste) Yes Motor
Cranial nerves
I – VI
Sensory
function
Motor
function
PS*
fibers I II
III IV V
Olfactory
Optic
Oculomotor
Trochlear
Trigeminal
Yes (smell)
Yes (vision) No
Yes (general No
Yes No
Yes
sensation)
VI Abducens
Cranial nerves
VII – XII
VII Facial
VIII Vestibulocochlear No
Sensory
function
Yes (taste)
Yes (hearing
Yes
Motor
function
Some No
PS*
fibers
Yes
andbalance) IX X XI
XII
Glossopharyngeal
Vagus
Accessory
Hypoglossal
Yes (taste) No
Yes
Yes No

6. CN I – Olfactory Nerves • Sensory • Location • Foramina
• Cribriform plate
• Olfactory bulb/tract

7. CN II – Optic Nerves • Sensory • Location • Foramina • Optic tract
• Optic chiasma
• Contralateral

8. CN III –
Oculomotor
Nerves
• Motor
• Location
• Muscles

10. CN IV –
Trochlear
Nerves
• Motor
• Location
• Muscle

11. CN V –
Trigeminal
Nerves
• Mixed
• Location
• Muscles
• Sensation

13. CN VI –
Abducens
Nerves
• Motor
• Location
• Muscles

14. CN VII –
Facial
Nerves
• Mixed
• Location
• Muscles
• Sensation

16. CN VIII – Vestibulocochlear Nerves
• Sensory
• Location

17. CN IX – Glossopharyngeal Nerves
• Mixed
• Location

18. CN X – Vagus Nerves
• Mixed
• Location

19. CN XI –
Accessory
Nerves
• Motor
• Location
• Muscles

20. CN XII –
Hypoglossal Nerves
• Motor
• Location
• Muscles