Functions of the cranial nerves Number Name Sensory I Olfactory Smell II

Optic

III

Oculomotor

Motor

Vision Eye movement + lens adjustment + pupil constriction

IV

Trochlear

V

Trigeminal

VI

Abducens

VII

Facial

Eye movement, oblique Head somatic-sensory

Head muscles Eye movement, lateral

Taste (tongue)

Face muscles + lacrimal and salivary glands

VIII

Auditory-vestibular

Hearing, Balance

IX

Glosso-pharyngeal

Taste (Pharyngeal)

Pharyngeal muscles

X

Vagus

Viscero-sensation

Visceral motor:

(including taste) +

pharyngeal, cardiac, etc.

somaticsensory from head XI

Spinal accessory

Head movement

XII

Hypoglossal

Tongue muscle

Functions of the Cranial Nerves

Glosso-pharyngeal Taste (Pharyngeal). Pharyngeal muscles. X. Vagus. Viscero-sensation. (including taste) + somaticsensory from head. Visceral motor:.

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