cranial nerves Flashcards
1
Q
CN I
A
olfactory
cribriform plate
ethmoid
s:smell
2
Q
CN II
A
Optic
optic foramen
sphenoid
s:vision
3
Q
CN III
A
occulomotor
supraorbital fissure
sphenoid
s/m: eye muscles
4
Q
CN IV
A
trochlear
supraorbital fissure
sphenoid
s/m: superior oblique m.
5
Q
CN V
A
trigeminal supraorbital fissure (ophthalmic-V1) foramen rotundum (maxillary-V2) foramen ovale (mandibular-V3) sphenoid s: face, teeth, mouth, nasal cavity, m: muscles of mastication
6
Q
CN VI
A
abducens
supraorbital fissure
sphenoid
s/m: lateral rectus m.
7
Q
CN VII
A
facial stylomastoid foramen; enters internal acoustic meatus and then exits the skull at stylomastoid foramen temporal s:tongue (taste), m: facial expression m., salivary glands
8
Q
CN VIII
A
vestibulocochlear
doesn’t exit the skull (internal acoustic meatus)
petrous portion of temporal
s: hearing and balance
9
Q
CN IX
A
glossopharyngeal jugular foramen petrous portion of temporal and occipital s: tongue (taste), pharynx m: stylopharyngeal m.
10
Q
CN X
A
vagus jugular foramen petrous portion of temporal and occipital s: thoracic and abdominal viscera m: larynx and pharynx
11
Q
CN XI
A
accessory
jugular foramen
petrous portion of temporal and occipital
m: trapezius and sternocleidomastoid m.
12
Q
CN XII
A
hypoglossal
hypoglossal canal
occipital
m: tongue m.
