Flashcards in Cranial Nerve Table Deck (34)
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1
CN I foramen?
Cribriform plate
2
CN II foramen?
Optic canal (foramen)
3
CN III foramen?
Superior orbital fissure
4
CN IV foramen?
Superior orbital fissure
5
CN V1 foramen?
Superior orbital fissure
6
CN V2 foramen?
Foramen rotundum
7
CN V3 foramen?
Foramen ovale
8
CN VI foramen?
Superior orbital fissure
9
CN VII foramen?
Internal auditory meatus
10
CN VIII foramen?
Internal auditory meatus
11
CN IX foramen?
Jugular foramen
12
CN X foramen?
Jugular foramen
13
CN XI foramen?
Foramen magnum and jugular foramen
14
CN XII foramen?
Hypoglossal canal
15
GSE
General somatic efferent
- Motor to voluntary mm.
16
GSA
General somatic afferent
- Sensation from skin, muscle, joints
17
GVE
General visceral efferent
- Motor to smooth muscle and glands
* think parasymp
18
GVA
General visceral afferent
- Sensation from internal organs
19
SVE
Special visceral efferent
- Voluntary motor to pharyngeal arch (mm. of mastication, facial expression, pharynx, some small mm. attaching to hyoid bone)
* Gill evolution (Law & Order SVE)
20
SVA
Special visceral afferent
- Taste and smell
21
SSA
Special somatic afferent
- Vision, hearing, balance (eyes and ears)
22
SSE
Trick question, doesn't exist
23
CN I components and main structures innervated?
SVA: Olfactory nasal mucosa (smell)
24
CN II components and main structures innervated?
SSA: Rods and cones of retina (vision)
25
CN III components and main structures innervated?
GVE: (via ciliary ganglion) to sphincter pupillae and ciliary mm. (parasymp)
GSE: sup, med, and inf recti and inf oblique mm. of eye and levator palpebrae superioris m.
26
CN IV components and main structures innervated?
GSE: Superior oblique m.
27
CN V components and main structures innervated?
GSA:
V1- skin of upper part of face (upper orbit and above)
V2- skin of mid-face, upper teeth, nasal and palatal mucosa
V3- skin of lower face and jaw, floor of mouth, ant 2/3 tongue mucosa, lower teeth and gums, ear pinna and canal
SVE: Mm. of mastication, ant belly of digastric m., tensor tympani, mylohyoid, tensor palatini (1st arch mm.)
28
CN VI components and main structures innervated?
GSE: Lateral rectus m.
29
CN VII components and main structures innervated?
GVA: deep sensation from soft palate
SVA: taste buds of ant. 2/3 tongue
GSA: sensation from small part ear pinna
GVE: motor to submandibular, sublingual, lacrimal glands, glands of nasal mucosa
SVE: motor to mm. of facial expression, post belly digastric, stylohyoid, stapedius mm.
30
