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CMM401/501 Unit 3 Cards > Orbit & Ear - Nerves > Flashcards

Orbit & Ear - Nerves Flashcards

1
Q

What is this structure?

A

Cranial Nerve II (Optic Nerve)

Cranial Nerve II (Optic Nerve)

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2
Q

Motor/Sensory/Both?

A

Special sensory (vision)

Cranial Nerve II (Optic Nerve)

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3
Q

Origin?

A

Diencephalon

Cranial Nerve II (Optic Nerve)

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4
Q

Skull Foramen?

A

Optic canal

Cranial Nerve II (Optic Nerve)

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5
Q

Innervates?

A

Retina of eyeball for vision

Cranial Nerve II (Optic Nerve)

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6
Q

What is this structure?

A

Cranial Nerve III (Oculomotor)

Cranial Nerve III (Oculomotor)

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7
Q

Motor/Sensory/Both?

A

Motor
* Somatic & Parasympathetic

Cranial Nerve III (Oculomotor)

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8
Q

What is this structure?

A

Cranial Nerve VIII (Vestibulocochlear)

Cranial Nerve VIII (Vestibulocochlear)

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9
Q

What is this structure?

A

Vestibular Division (CN VIII)

Vestibular Division (CN VIII)

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10
Q

What is this structure?

A

Cochlear Division (CN VIII)

Cochlear Division (CN VIII)

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11
Q

What is this structure?

A

Lesser Petrosal Nerve

Lesser Petrosal Nerve

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12
Q

What is this structure?

A

Cranial Nerve IV (Trochlear)

Cranial Nerve IV (Trochlear)

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13
Q

What is this structure?

A

Cranial Nerve V1 (Trigeminal - Opthalmic Division)

Cranial Nerve V1 (Trigeminal - Opthalmic Division)

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14
Q

What is this structure?

A

Frontal Nerve

Frontal Nerve

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15
Q

What is this structure?

A

Lacrimal Nerve

Lacrimal Nerve

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16
Q

What is this structure?

A

Cranial Nerve VI (Abducens)

Cranial Nerve VI (Abducens)

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17
Q

What is this structure?

A

Cranial Nerve VII (Facial)

Cranial Nerve VII (Facial)

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18
Q

What is this structure?

A

Chorda Tympani

Chorda Tympani

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19
Q

What is this structure?

A

Geniculate Ganglion

Geniculate Ganglion

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21
Q

Source?

A

Midbrain

Cranial Nerve III (Oculomotor)

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22
Q

Skull Foramen?

A

Superior orbital fissure

Cranial Nerve III (Oculomotor)

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23
Q

Innervates?

A
  • Somatic motor to muscles in orbit
  • Parasympathetic innervation to muscles of iris and ciliary musclescontrolling lens shape.

Cranial Nerve III (Oculomotor)

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24
Q

Motor/Sensory/Both?

Cranial Nerve IV (Trochlear)
A

Motor - somatic

Cranial Nerve IV (Trochlear)

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25
Q

Source?

Cranial Nerve IV (Trochlear)
A

Midbrain

Cranial Nerve IV (Trochlear)

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26
Foramen?
Superior orbital fissure | Cranial Nerve IV (Trochlear)
27
Innervates?
Motor to superior oblique muscle in orbit | Cranial Nerve IV (Trochlear)
28
Motor/Sensory/Both? | Cranial Nerve V1 (Trigeminal - Opthalmic Division)
Sensory | Cranial Nerve V1 (Trigeminal - Opthalmic Division)
29
Source? | Cranial Nerve V1 (Trigeminal - Opthalmic Division)
Pons | Cranial Nerve V1 (Trigeminal - Opthalmic Division)
30
Innervates? | Cranial Nerve V1 (Trigeminal - Opthalmic Division)
Sensation of orbit, superior nasal cavity, forehead | Cranial Nerve V1 (Trigeminal - Opthalmic Division)
31
Motor/Sensory/Both? | Cranial Nerve VII (Facial)
Special sensory - taste from anterior 2/3 of tongue Motor- somatic & parasympathetic | Cranial Nerve VII (Facial)
32
Source? | Cranial Nerve VII (Facial)
Junction between pons and medulla | Cranial Nerve VII (Facial)
33
Skull Foramen? | Cranial Nerve VII (Facial)
Internal acoustic meatus to facial canal, out stylomastoid foramen in floor of temporal bone | Cranial Nerve VII (Facial)
34
Innervates? | Cranial Nerve VII (Facial)
* Sensation of taste to anterior 2/3 of tongue. * Somatic motor control to muscles of facial expression * Stapedius muscle in ear * Posterior digastric and stylohyoid * Parasympathetic innervation to glands of orbit/nose * Submandibular and sublingual salivary glands | Cranial Nerve VII (Facial)
35
Motor/Sensory/Both? | Lacrimal Nerve
Sensory | Lacrimal Nerve
36
Source? | Lacrimal Nerve
CN V1 | Lacrimal Nerve
37
Destination? | Lacrimal Nerve
Lacrimal gland | Lacrimal Nerve
38
Innervates? | Lacrimal Nerve
Sensory innervation to lateral orbit, lacrimal gland | Lacrimal Nerve
39
Motor/Sensory/Both? | Cranial Nerve VI (Abducens)
Motor - Somatic | Cranial Nerve VI (Abducens)
40
Source? | Cranial Nerve VI (Abducens)
Junction between pons and medulla | Cranial Nerve VI (Abducens)
41
Skull Foramen? | Cranial Nerve VI (Abducens)
Superior orbital fissure | Cranial Nerve VI (Abducens)
42
Innervates? | Cranial Nerve VI (Abducens)
Motor to lateral rectus muscle in orbit | Cranial Nerve VI (Abducens)
43
Origin? | Frontal Nerve
Sensory | Frontal Nerve
44
Source? | Frontal Nerve
CN V1 | Frontal Nerve
45
Skull Foramen? | Frontal Nerve
Superior face/forehead | Frontal Nerve
46
Innervates? | Frontal Nerve
* Sensory innervation to orbit * Skin of forehead * Passes out of orbit and runs up the forehead | Frontal Nerve
47
Source? | Geniculate Ganglion
CN VII (Facial) sensory nerves | Geniculate Ganglion
48
Innervates/Location? | Geniculate Ganglion
* Contains cell bodies for taste sensory nerves from anterior 2/3 of tongue. * Junction point where greater petrosal nerve branches from CN VII. * Located deep within petrous temporal bone near middle ear | Geniculate Ganglion
49
Motor/Sensory/Both? | Greater petrosal nerve
Motor - parasympathetic | Greater petrosal nerve
50
Source? | Greater petrosal nerve
CN VII (Facial) | Greater petrosal nerve
51
Skull Foramen? | Greater petrosal nerve
Pterygoid canal of sphenoid | Greater petrosal nerve
52
Innervates? | Greater petrosal nerve
Parasympathetic innervation to glands of orbit and nose | Greater petrosal nerve
53
Pathway? | Greater petrosal nerve
Branches off of CN VII at geniculate ganglion, passes rostrally through petrous temporal along floor of skull and passes through sphenoid to bring parasympathetic fibers to CN V2 branches | Greater petrosal nerve
54
Motor/Sensory/Both? | Chorda Tympani
* Special sensory-taste from anterior 2/3 of tongue * Motor-parasympathetic | Chorda Tympani
55
Source? | Chorda Tympani
CN VII (Facial) | Chorda Tympani
56
Destination? | Chorda Tympani
Lingual nerve | Chorda Tympani
57
Innervates? | Chorda Tympani
* Special sensory innervation (taste) to anterior 2/3 of tongue * Parasympathetic motor innervation to the sublingual and submandibular salivary glands | Chorda Tympani
58
Motor/Sensory/Both? | Cranial Nerve VIII (Vestibulocochlear)
Special sensory- balance and hearing | Cranial Nerve VIII (Vestibulocochlear)
59
Source? | Cranial Nerve VIII (Vestibulocochlear)
Junction between pons and medulla | Cranial Nerve VIII (Vestibulocochlear)
60
Skull Foramen? | Cranial Nerve VIII (Vestibulocochlear)
Internal acoustic meatus | Cranial Nerve VIII (Vestibulocochlear)
61
Innervates? | Cranial Nerve VIII (Vestibulocochlear)
Special sensory innervation to semicircular canals (balance), and cochlea (hearing). | Cranial Nerve VIII (Vestibulocochlear)
62
Motor/Sensory/Both? | Vestibular Division (CN VIII)
Special sensory-balance | Vestibular Division (CN VIII)
63
Source? | Vestibular Division (CN VIII)
CN VIII (Vestibulocochlear) | Vestibular Division (CN VIII)
64
Foramen? | Vestibular Division (CN VIII)
Semicircular canals | Vestibular Division (CN VIII)
65
Innervates? | Vestibular Division (CN VIII)
Special sensory innervation to semicircular canals (balance) | Vestibular Division (CN VIII)
66
Motor/Sensory/Both? | Cochlear Division (CN VIII)
Special sensory-hearing | Cochlear Division (CN VIII)
67
Source? | Cochlear Division (CN VIII)
CN VIII (Vestibulocochlear) | Cochlear Division (CN VIII)
68
Destination? | Cochlear Division (CN VIII)
Cochlea | Cochlear Division (CN VIII)
69
Innervates? | Cochlear Division (CN VIII)
Special sensory innervation to cochlea (hearing) | Cochlear Division (CN VIII)
70
Motor/Sensory/Both? | Lesser Petrosal Nerve
Motor-parasympathetic | Lesser Petrosal Nerve
71
Source? | Lesser Petrosal Nerve
CN IX (Glossopharyngeal) | Lesser Petrosal Nerve
72
Destination? | Lesser Petrosal Nerve
Otic Ganglion | Lesser Petrosal Nerve
73
Innervates? | Lesser Petrosal Nerve
Parasympathetic innervation to partotid gland | Lesser Petrosal Nerve
74
What is this structure?
Greater petrosal nerve | Greater petrosal nerve

CMM401/501 Unit 3 Cards (5 decks)

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