Cranial nerves Flashcards
CN I
olfactory
CN II
optic
CN III
oculomotor
CN IV
trochlear
CN V
trigeminal
CN V V1
Trigeminal: ophthalmic
CN V V2
Trigeminal: maxillary
CN V V3
Trigeminal: mandibular
CN VI
abducens
CN VII
facial
CN VIII
vestibulocochlear
CN IX
glossopharyngeal
CN X
vagus
CN XI
accesory
CN XII
hypoglossal
what nerve comes through the cubiform plate
olfactory CN I
what nerve comes through the optic canal
optic CN II
what nerves come through the sup orbital fisure
oculomotor III
trochlear IV
opthalmic trigeminal CN V VI
abducens CN VI
what nerve comes through the foramen rotundum
trigeminal maxillary CN V V2
Max is very fat- rotund
what nerve comes through the foramen ovale
Trigeminal mandibular CN V V3
what nerves pass through the internal acoustic maetus
facial CN VII
vestibulocochlear CN VIII
what nerves pass through the jugular foramen
9, 10, 11
glossopharyngeal CN IX
vagus CN X
accessory CN XI
what nerve passes through the hypoglossal canal
hypoglossal CN XII
what type of info does CN I take
special sensory
what type of info does CN II take
speicial sensory
what type of info does CN III take
motor
parasympathetic
what type of info does CN IV take
motor
what type of info does CN VI take
motor
what type of info does CN V divisions take
V(1) general sensory
V(2) general sensory
V(3) general sensory and motor
what type of info does CN VII take
general sensory
special sensory
motor
parasympathetic
what type of info does CN VIII take
special sensory x2
what type of info does CN IX take
general sensory
special sensory
motor
parasympathetic
what type of info does CN X take
general sensory
special sensory
motor
parasympathetic
what type of info does CN XI take
motor
what type of info does CN XII take
motor
What plexus does cranial nerve X form part of and what does it innervate?
Pharyngeal-
pharynx and soft palate
Name two branches of cranial nerve X that innervates the muscles of the larynx.
superior
and recurrent laryngeal nerve
what cranial nerves supply do all nerve fibres
CN IX
CN X
mnemonic for fibres of CN nerves
‘Some Say Marry Money But My Brother Says Big Brains Matter More’
S = sensory, M = motor, B = both
what does CN I supply
nose- special sensory smell
what does CN II supply
eyes- special sensory sight
what does CN III supply
most recti (except lat), LPS and inf oblique- motor
ciliaris muscle (accommodation)- parasympathetic
what does CN IV supply
sup oblique- motor
what does CN VI supply
lateral rectus- motor
what does CN V V1 supply
face- general sensory
what does CN V V2 supply
face- general sensory
what does CN V V3 supply
face- general sensory
muscles of mastication- motor
what does CN VII supply
skin of external acoustic meatus- general sensory
ant 2/3 tongue- special sensory taste
muscles of facial expression- motor
salivary glands- parasympathetic
CN VII area it supplies: general sensory
skin of external acoustic meatus
CN VII area it supplies: special sensory
ant 2/3 tongue- taste
CN VII area it supplies: motor
muscles of facial expression
CN VII area it supplies: parasympathetic
salivary glands
what does CN VIII supply
ears- special sensory hearing
ears- special sensory balance
what does CN IX supply
stylopharyngeus- motor
parotid gland- parasympathetic
ear, pharynx, post 1/3 tongue- general sensory
post 1/3 tongue- special sensory taste
CN IX area it supplies: special sensory
post 1/3 tongue- taste
CN IX area it supplies: general sensory
ear
pharynx
post 1/3 tongue
CN IX area it supplies: motor
stylopharyngeaus
CN IX area it supplies: parasympathetic
parotid gland
what does CN X supply
ear throat, heart and abdominal viscera- general sensory
epiglottis and root of the tongue- special sensory taste
pharynx, soft palate and larynx, PALLATOGLOSSUS- motor
trachea, bronchi, gastro-intestinal tract and regulates heart rhythm- parasympathetic
CN X area it supplies: special sensory
epiglottis and root of the tongue
CN X area it supplies: general sensory
epiglottis and root of the tongue- taste
CN X area it supplies: motor
pharynx, soft palate and larynx
PALLATOGLOSSUS
CN X area it supplies: parasympathetic
trachea and bronchi
GI
heart
what does CN XI supply
sternocleidomastoid and trapezius- motor
what does CN XII supply
intrinsic and extrinsic tongue muscles (except
palatoglossus- CN X)- motor
whats the pink nerve
occulomotor
whats the purple nerve
trochlear
whats the dark blue nerve
trigeminal
whats the light blue nerve
abducens
whats the green nerve
facial
whats the yellow nerve
hypoglossal
whats the orange nerve
accesory
whats the light red nerve
vagus
whats the dark red nerve
glossopharyngeal
whats the grey nerve
vestibulocochlear
whats C?
CN IV
trochlear
What cranial nerves emerge from the pontomedullary junction?
6, 7, 8
abducens nerve (cranial nerve VI)
facial nerve(cranial nerve VII)
vestibulocochlear nerve (cranial nerve VIII)
what nerve does bell’s palsy effect
how is it differentiated to stroke
what level of neuron lesion is it
facial
it affects forehead- stroke normally spares forehead
lower