Cranial Nerve Table Flashcards Preview

SHB Exam 1 > Cranial Nerve Table > Flashcards

Flashcards in Cranial Nerve Table Deck (34):
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

CN VIII components and main structures innervated?

SSA: organ of corti in cochlea duct. Semicircular canals, utricle and saccule

31

CN IX components and main structures innervated?

GVA: deep sensory to post tongue, soft palate, pharynx, mucosa of tymp cavity, post auditory tube, carotid body and sinus

SVA: Taste buds post 1/3 tongue and adajcent pharynx

GSA: Gen sensory from small part of ear pinna and canal

GVE: Parotid salivary gland (secretomotor)

SVE: Stylopharyngeal m.

32

CN X components and main structures innervated?

GVA: Visc sens from esophagus, trachea, pharynx, larynx, and abd viscera

SVA: Taste buds in epiglottis and glottis

GSA: Sens from small part of ear pinna, canal, and tymp membrane

GVE: thoracic and abdominal viscera

SVE: Mm. of the pharynx and larynx, levator palatini and cricothyroid

33

CN XI components and main structures innervated?

SVE: motor to SCM and trapezius mm.

34

CN XII components and main structures innervated?

GSE: Intrinsic and extrinsic mm. of the tongue (palatoglossus excepted)