Cranial Nerves

Front 1

I - OLFACTORY NERVE

Back 1

SENSORY FOR SMELL - OLFACTION

Front 2

II - OPTIC NERVE

Back 2

SENSORY FOR VISION

Front 3

III - OCULOMOTOR

Back 3

-motor to 4 of 6 intrinsic eye muscles which are responsible for movement of the eyeball: superior rectus, inferior rectus, medial rectus, inferior oblique.

-motor to "levator palpebrae superioris" which opens the upper eylid

-motor to intrinsic eye muscle "ciliary muscle: which changes shape of lens of near or far vision accomodation

-motor to sphincter muscle of iris which changes size of pupil controlling amount of light (only constriction)

Front 4

IV - TROCHLEAR

Back 4

SENSORY FOR PROPRIOCEPTION OF MUSCLE INNERVATED

-MOTOR TO THE "SUPERIOR OBLIQUE" EXTRINSIC MUSCLE OF THE EYE INVOLVED IN MOVEMENT OF EYEBALL

Front 5

V - TRIGEMINAL

Back 5

SENSORY FOR PROPRIOCEPTION OF MUSCLES

- MOTOR TO MUSCLES OF MASTICATION - CONTROL CHEWING

- SENSORY FROM FACE, MOUTH AND TEETH FOR TOUCH, PAIN, AND TEMP.

Front 6

VI - ABDUCENS

Back 6

SENSORY FOR PROPRIOCEPTION FOR MUSCLE INNERVATED.

- MOTOR TO THE "LATERAL RECTUS" EXTRINSIC MUSCLE OF THE EYE INVOLVED IN MOVEMENT OF EYEBALL

Front 7

VII - FACIAL

Back 7

SENSORY FOR PROPRIOCEPTION OF MUSCLES INNERVATED.

- MOTOR TO FACIAL, SCALP, AND NECK MUSCLES INVOLVED IN FACIAL EXPRESSIONS

- MOTOR TO LACRIMAL AND SALIVARY GLANDS> STIMULATES SECRETION OF SALIVA AND TEARS

-SENSORY FOR TASTE FROM THE ATERIOR 2/3'S OF TONGUE

Front 8

VIII - VESTIBULOCOCHLEAR

Back 8

SENSORY FOR HEARING AND EQUILIBRIUM

Front 9

IX - GLOSSOPHARYNGEAL

Back 9

-SENSORY FOR PROPRIOCEPTION OF MUSCLES INNERVATED

-SENSRORY FOR TASTE FROM POSTERIOR 1/3RD OF TONGUE

-SENSORY FROM CARTOID SINUS FOR REGULATION OF BLOOD PRESSURE

-MOTOR TO SWALLOWING MUSCLES OF PHARYNX

-MOTOR TO PAROTID GLAND > STIMULATES SALIVATION

Front 10

X- VAGUS

Back 10

SENSORY AND MOTOR INNERVATING MOST VISCERA PHARYNGEAL AND LARYNGEAL MUSCLES FOR SWALLOWING, LARYNGEAL MUSCLES FOR SPEACH, HEART AND LUNGS, SMOOTH MUSCLES OF DIGESTIVE TRACT, TASTE BUDS AND THROAT

Front 11

XI - ACCESSORY

Back 11

SENSORY FOR PROPRIOCEPTION FROM MUSCLES INNERVATED

-MOTOR FOR MUSCLES INVOLVED IN SWALLOWING

-MOTOR TO TRAPEZIUS AND STERNOCLEIDOMASTOID> THEREFORE COORDINATES HEAD MOVEMENTS

Front 12

XII - HYPOGLOSSAL

Back 12

SENSORY FOR PROPRIOCEPTION FROM MUSCLES INNERVATED
- MOTOR TO TONGUE MUSCLES> INVOLVED IN TONGUE MOVEMENTS FOR SPEECH AND SWALLOWING.