Cranial Nerves Flashcards Preview

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Flashcards in Cranial Nerves Deck (28):
1

Olfactory N (CN1)

Sensory
Smell

2

Opening for Olfactory N

Cribiform plate of Ethmoid Bone

3

Optic N (CN2)

Sensory
Vision

4

Opening for Optic N

Optic Canal

5

Oculomotor N (CN3)

Motor, parasymp
rectus muscles, inferior oblique, levator palpebrae superioris
constric pupil and accomodate eye

6

Opening for Oculomotor N

Superior Orbital Fissure

7

Trochlear N (CN4)

Motor
superior oblique m

8

Opening for Trochlear N

Superior Orbital Fissure

9

Trigeminal N (CN5)

Sensory- most of head
Motor- mastication mm

10

Opening for Ophthalmic Division of Trigeminal N

Superior Orbital Fissure

11

Opening for Maxillary Division of Trigeminal N

Foramen Rotuntum

12

Opening for Mandibular Division of Trigeminal N

Foramen Ovale

13

Ophthalmic Division

Sensory to cornea; skin of forehead, scalp, eyelids, nose

14

Maxillary Division

Sensory to skin of face over maxilla and upper lip, teeth of upper jaw

15

Mandibular Division

Sensory to skin of cheek, skin over mandible, side of head, teeth of lower jaw
Motor to m of mastication

16

Abducens N (CN6)

Motor to lateral rectus m

17

Opening for Abducens N

Superior Orbital Fissure

18

Facial N (CN7)

Motor to mm of facial expression, stylohyoid, post digastric
Taste for ant 2/3 of tongue and palate
Parasymp of submandibular and sublingual salivary glands, lacrimal glands

19

Opening for Facial N

Internal Auditory Meatus, Facial Canal, Stylomastoid Foramen

20

Vestibulocochlear N (CN8)

Sensory
Position and mvmt of head; hearing

21

Opening for Vestibulocochlear N

Internal Auditory/ Acoustic Meatus

22

Glossopharyngeal N (CN9)

Motor to stylopharyngeus
Sense to pharynx and carotid sinus
taste to post 1/3 of tonge
Parasymp for parotid gland

23

Vagus N (CN10)

Motor to constrictor mm of pharynx and intrinsic mm of larynx
Parasymp to neck, thorax, abdomen
taste for epiglottis and valleculae

24

Opening for Vagus N

Jugular Foramen

25

Accessory N (CN11)

Motor to sternocleidomastoid and trapezius

26

Opening for Accessory N

Jugular Foramen

27

Hypoglossal N (CN12)

Motor
intrinsic and extrinsic mm of tonge (Not palatoglossus)

28

Opening for Hypoglossal N

Hypoglossal Canal