The Cranial Nerves – USMLE Step 1

by / Wednesday, 01 September 2010 / Published in Anatomy

CRANIAL NERVES

Cranial Nerve Name Function Nerve Type Foramen
1 Olfactory Smell Sensory Cribiform Plate
2 Optic Sight Sensory Optic Canal
3 Oculomotor Eye movement

Pupil Constr

Accomodation

Eyelid opening

Motor Superior Orbital Fissure (SOF)
4 Trochlear Eye Movement Motor SOF
5 Trigeminal Facial Sensation

Mastication

Motor, Sensory V1: SOF

V2: Foramen Rotundum

V3: Foramen Ovale

6 Abducens Eye Movement Motor SOF
7 Facial Facial Movement

Anterior 2/3 taste

Lacrimation

Salivation

Motor, Sensory Internal auditory canal
8 Vestibulocochlear Hearing

Balance

Sensory Internal auditory canal
9 Glossopharyngeal Posterior 1/3 taste

Swallowing

Salivation

Carotid body and sinus monitoring

Motor, Sensory Jugular foramen
10 Vagus Taste

Swallowing

Palate Elev

Talking

Thoracoabdominal Viscera

Motor, Sensory Jugular foramen
11 Accessory Head turning

Shoulder shrug

Motor Jugular foramen
12 Hypoglossal Tongue Movement Motor Hypoglossal canal

Mnemonic for the Cranial nerves:

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