Cranial Nerves Flashcards
CNI
Olfactory
S= Smell
Cribiform plate of ethmoid
CNII
Optic
S= Vision
Optic canal of sphenoid
CNIII
Oculomotor
M= medial + superior + inferior rectus, inferior oblique, opens eyelid
Superior orbital fissure of sphenoid
CNIV
Trochlear
M= superior oblique eyelid muscles
Superior orbital fissure
CNV
Trigeminal
S= sensation from scalp + face
M= chewing
Superior orbital fissure
Foramen rotundum
Foramen ovale
CNVI
Abducens
M= lateral rectus eye muscle
Superior orbital fissure
CNVII
facial
S= anterior ⅔ taste
M= somatic, muscle of facial expression
Autonomic, lacrimal submandibular + sublingual glands
Internal acoustic meatus of temporal
CNVIII
Vestibulocochlear
S= hearing + equilibrium
Internal acoustic meatus of temporal
CNIX
Glossopharyngeal
S= posterior ⅓ touch and taste
M= somatic, swallowing
Autonomic, parotid salivary gland
Jugular foramen of sphenoid
CNX
Vagus
S= sensation from most abdom. Organs
M= somatic, speech
Autonomic, motor function of organs
Jugular foramen
CNXI
Accessory
M= traps + sternocleido
Foramen magnum of occipital
CNXII
Hypoglossal
M= tongue muscle
Hypoglossal canal of occipital
