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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

25
Glossopharangel motor
stylopharyngeus; partotid gland
26
Vagus motor
palate; pharynx; larynx
27
Spinal Accessory motor
cranial: palate mucles; pharynx; larynx. spinal: SCM and trap
28
Hypoglossal motor
all muscles that end in "glossus" except palatoglossus
29
Olfactory sensory
smell
30
Optic sensory
sight
31
Oculomotor sensory
none
32
Trochlear sensory
none
33
Trigeminal Ophthalamic division sensory
sensory forehead; eye area; nose
34
Trigeminal maxillary division sensory
sensory cheeks; upper lip
35
Trigeminal mandibular division sensory
sensory over mandible; oral cavity; sensation ant 2/3 of tongue
36
Abducens sensory
none
37
Facial sensory
external acoustic meatus and tympanic membrane; taste ant 2/3 of tongue
38
Vestibulocochlear sensory
semicircular canals and organ of Corti
39
Glossopharangel sensory
taste and sensation post 1/3 of tongue; carotid body and sinus to maintain BP to head; sensory to middle ear and pharynx
40
Vagus sensory
pharynx; external ear; aortic body; posterior tongue; taste in post; tongue and epiglottis
41
Spinal Accessory sensory
none
42
Hypoglossal sensory
none
43
Olfactory other functions
none
44
Optic other functions
none
45
Oculomotor other functions
PNS from Edinger-Westphal nucleus to ciliary ganglion; postganglionic to sphincter pupillae and ciliary muscle (for accomodation)
46
Trigeminal Ophthalamic division other functions
PNS branches: short ciliary and larcrimal
47
Trigeminal maxillary division other functions
PNS branches: nasopalatine; greater/lesser palatine; zygomatic
48
Trigeminal mandibular division other functions
PNS branches: auriculotemporal; lingual
49
Facial other functions
PNS branches: lacrimal; submandibular; sublingual glands
50
Vagus other functions
PNS to thorax and abdomen until left colic flexure; slow HR; increase peristalsis
51
parotid gland
nerve branches from otic ganglion. Preganglionic fibers on lesser petrosal nerve which is branch off glossopharyngeal nerve
52
lacrimal gland
greater petrosal nerve (Facial) synapse at pterygopalatine ganglion, post synaptic fibers to lacrimal gland
53
submandibular and sublingual glands
chorda tympani (Facial) and lingual nerve (V3) synapse in submandibular ganglion
54
gag reflex nerves
glossopharyngeal and vagus
55
spinal levels of spinal accessory nerve
ventral horn C1-5
56
deep petrosal nerve
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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