12 cranial nerves functions , disorders and test

Sense of smell

Vision

Open eyelid ( eye muscles ,lens and iris

Superior oblique muscles of the eye

M : innverate muscle of mastication

S: sense of touch face

Lateral Rectus muscle of the eye

M: facial expressions ,close eyelid saliva and tear glands secretion

S: taste ,anterior 2/3 of the tongue

Vestibular div : equilibrium cochlear div: hearing

m: pharyngeal muscles

S: taste posterior 1/3 of tongue

Innervate abdominal and thoracic organs