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Z Sem 2 Anatomy Unit 3 > Cranial Nerves - Sheet1 > Flashcards

Cranial Nerves - Sheet1 Flashcards

1
Q

Olfactory path

A

travels along floor of cranial fossa; olfactory bulbs (cell bodies) sit on cribiform plate; sensory endings project through openings

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2
Q

Optic path

A

retinal ganglion cells->optic canal; surrounded by meninges; contains retinal artery and vein

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3
Q

Oculomotor path

A

SOF through cavernous sinus

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4
Q

Trochlear path

A

only dorsal exit from brainstem; SOF through cavernous sinus

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5
Q

Trigeminal Ophthalamic division path

A

superior orbital fissure

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6
Q

Trigeminal maxillary division path

A

foramen rotundum

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7
Q

Trigeminal mandibular division path

A

foramen ovale

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8
Q

Abducens path

A

SOF

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9
Q

Facial path

A

Interal acoustic meatus

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10
Q

Vestibulocochlear path

A

Interal acoustic meatus

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11
Q

Glossopharangel path

A

Jugular

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12
Q

Vagus path

A

Jugular

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13
Q

Spinal Accessory path

A

cranial part exits jugular foramen; spinal part enters skull through foramen magnum; exits through jugular foramen

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14
Q

Hypoglossal path

A

hypoglossal canal

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15
Q

Olfactory motor

A

none

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16
Q

Optic motor

A

none

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17
Q

Oculomotor motor

A

all extraocular muscles except SO and LR

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18
Q

Trochlear motor

A

superior oblique muscle

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19
Q

Trigeminal Ophthalamic division motor

A

none

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20
Q

Trigeminal maxillary division motor

A

none

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21
Q

Trigeminal mandibular division motor

A

muscles of mastication

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22
Q

Abducens motor

A

lateral rectus muscle; lesion causes “lazy eye”

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23
Q

Facial motor

A

muscles of facial expression (branches TZBMC); stapedius

24
Q

Vestibulocochlear motor

A

none

25
Q

Glossopharangel motor

A

stylopharyngeus; partotid gland

26
Q

Vagus motor

A

palate; pharynx; larynx

27
Q

Spinal Accessory motor

A

cranial: palate mucles; pharynx; larynx. spinal: SCM and trap

28
Q

Hypoglossal motor

A

all muscles that end in “glossus” except palatoglossus

29
Q

Olfactory sensory

A

smell

30
Q

Optic sensory

A

sight

31
Q

Oculomotor sensory

A

none

32
Q

Trochlear sensory

A

none

33
Q

Trigeminal Ophthalamic division sensory

A

sensory forehead; eye area; nose

34
Q

Trigeminal maxillary division sensory

A

sensory cheeks; upper lip

35
Q

Trigeminal mandibular division sensory

A

sensory over mandible; oral cavity; sensation ant 2/3 of tongue

36
Q

Abducens sensory

A

none

37
Q

Facial sensory

A

external acoustic meatus and tympanic membrane; taste ant 2/3 of tongue

38
Q

Vestibulocochlear sensory

A

semicircular canals and organ of Corti

39
Q

Glossopharangel sensory

A

taste and sensation post 1/3 of tongue; carotid body and sinus to maintain BP to head; sensory to middle ear and pharynx

40
Q

Vagus sensory

A

pharynx; external ear; aortic body; posterior tongue; taste in post; tongue and epiglottis

41
Q

Spinal Accessory sensory

A

none

42
Q

Hypoglossal sensory

A

none

43
Q

Olfactory other functions

A

none

44
Q

Optic other functions

A

none

45
Q

Oculomotor other functions

A

PNS from Edinger-Westphal nucleus to ciliary ganglion; postganglionic to sphincter pupillae and ciliary muscle (for accomodation)

46
Q

Trigeminal Ophthalamic division other functions

A

PNS branches: short ciliary and larcrimal

47
Q

Trigeminal maxillary division other functions

A

PNS branches: nasopalatine; greater/lesser palatine; zygomatic

48
Q

Trigeminal mandibular division other functions

A

PNS branches: auriculotemporal; lingual

49
Q

Facial other functions

A

PNS branches: lacrimal; submandibular; sublingual glands

50
Q

Vagus other functions

A

PNS to thorax and abdomen until left colic flexure; slow HR; increase peristalsis

51
Q

parotid gland

A

nerve branches from otic ganglion. Preganglionic fibers on lesser petrosal nerve which is branch off glossopharyngeal nerve

52
Q

lacrimal gland

A

greater petrosal nerve (Facial) synapse at pterygopalatine ganglion, post synaptic fibers to lacrimal gland

53
Q

submandibular and sublingual glands

A

chorda tympani (Facial) and lingual nerve (V3) synapse in submandibular ganglion

54
Q

gag reflex nerves

A

glossopharyngeal and vagus

55
Q

spinal levels of spinal accessory nerve

A

ventral horn C1-5

56
Q

deep petrosal nerve

A

runs with internal carotid artery, SNS post ganglionic fibers, joins greater petrosal nerve to form nerve of the pterygoid canal

Z Sem 2 Anatomy Unit 3 (2 decks)

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