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Cranial Nerves and Nuclei Flashcards

1
Q

What nerves have SSA function?

A

CN II

CN VIII

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2
Q

What nerves have SVA function?

A

CN I
CN VII
CN IX
CN X

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3
Q

What nerves have GSE function?

A

CN III
CN IV
CN VI
CN XII

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4
Q

What nerves have GVE function?

A

CN III
CN VII
CN IX
CN X

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5
Q

What nerves have SVE function?

A 
CN V
CN VII
CN IX
CN X
CN XI
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6
Q

What nerves have GVA function?

A

CN VII
CN IX
CN X

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7
Q

What nerves come off the midbrain?

A

CN III

CN IV

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8
Q

What nerves come off the pons?

A

CN V
CN VI
CN VII
CN VIII

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9
Q

What nerves come off the medulla?

A

CN IX
CN X
CN XI
CN XII

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10
Q

What motor nuclei are located in the midbrain?

A

Edinger-Westphal Nucleus
Occulomotor Nucleus
Trochlear Nucleus

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11
Q

What motor nuclei are located in the pons?

A

Motor Nucleus of V
Abducens Nucleus
Superior Salivatory Nucleus
Facial Nucleus

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12
Q

What motor nuclei are located in the medulla?

A

Inferior Salivatory Nucleus
Dorsal Motor Nucleus of X
Nucleus Ambiguous
Hypoglossal Nucleus

Spinal Accessory Nucleus - in spinal cord

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13
Q

What sensory nuclei are located in the midbrain?

A

Mesencephalic Nucleus (CN V)

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14
Q

What sensory nuclei are located in the pons?

A 
Main Sensory Nucleus (CN V)
Spinal Nucleus (CN V - goes from pons to medulla)
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15
Q

What sensory nuclei are located in the medulla?

A 
Spinal Nucleus (CN V - goes from pons to medulla)
Solitary Tract Nucleus
Vestibular Nucleus (grouped in pons as well)
Cochlear Nucleus  (grouped in pons as well)
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16
Q

What nuclei have GSE components?

A

Occulomotor Nucleus
Trochlear Nucleus
Abducens Nucleus
Hypoglossal Nucleus

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17
Q

What nuclei have GVE components?

A

Edinger-Westphal Nucleus
Superior Salivatory Nucleus
Inferior Salivatory Nucleus
Dorsal Motor Nucleus of X

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18
Q

What nuclei have SVE components?

A

Motor Nucleus of V
Facial Nucleus
Nucleus Ambiguous
Spinal Accessory Nucleus

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19
Q

What nuclei have GSA components?

A

Mesencephalic Nucleus of V
Main Sensory Nucleus of V
Spinal Nucleus of V

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20
Q

What nuclei have SVA components?

A

Solitary Tract Nucleus

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21
Q

What nuclei have SSA components?

A

Vestibular Nucleus

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22
Q

What nuclei have GVA components?

A

Solitary Tract Nucleus

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23
Q

What are the components of the olfactory nerve and the corresponding nucleus?

A

SVA - Olfactory Mucosa

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24
Q

What is CN I in close proximity with?

A

Hippocampus

25
What are the components of the optic nerve and the corresponding nucleus?
SSA - Lateral Geniculate Body SLO (Superior Colliculus -> Lateral Geniculate - Optic)
26
What area of the brain is involved in vision?
Area 17
27
What are the components of the occulomotor nerve and the corresponding nucleus?
GVE - Edinger-Westphal Nucleus (midbrain) GSE - Occulomotor Nucleus (midbrain)
28
Where are the nuclei of CN III found?
Directly below the 4th ventricle
29
What are the components of the trochlear nerve and the corresponding nucleus?
GSE - Trochlear Nucleus (midbrain)
30
Which nerve has the longest intracranial exposure?
Trochlear Nerve
31
What is described as a "golf ball on a tee?"
Inferior Colliculus - golf ball | Lateral Lemniscus - tee
32
What are the components of the trigeminal nerve and the corresponding nucleus?
GSA - Spinal Nucleus of V (pain/temperature from face) - Main Sensory Nucleus of V (conscious proprioception) - Mesencephalic Nucleus (unconscious proprioception from jaw) SVE - Motor Nucleus of V (pons)
33
What is the spinal nucleus of V analogous to?
Nucleus Propius -> STT
34
What reflex does the mesencephalic nucleus enact?
Close the jaw
35
What type of cells are found in the trigeminal ganglion?
Pseudounipolar Cells
36
Where do the sensory pathways of CN V end?
VPM of the Thalamus
37
What is the main sensory nerve of V analogous to?
Nucleus Cuneatus -> DCP
38
What nerves relay pain and temperature information from the ear pinna?
CN VII, IX, X and nucleus of V
39
What does the motor nucleus of V innervate?
Muscles of Mastication
40
What are the components of the abducens nerve and the corresponding nucleus?
GSE - Abducens Nucleus (pons)
41
What are the components of the facial nerve and the corresponding nucleus?
SVE - Motor Nucleus of VII (pons) GVE - Superior Salivatory Nucleus (pons) GVA - Solitary Nucleus (pons) SVA - Solitary Nucleus (pons) GSA - Spinal Nucleus of V (pons)
42
Why is the upper face often spared in supranuclear facial nerve damage?
It is represented bilaterally in the upper face band only unilaterally in the lower face
43
What are the components of the auditory nerve and the corresponding nucleus?
SSA - Cochlear Nuclei (medulla) - Vestibular Nuclei (medulla)
44
What are the components of the glossopharyngeal nerve and the corresponding nucleus?
GVA - Solitary Nucleus (medulla) SVA - Solitary Nucleus (medulla) GSA - Spinal Nucleus of V (medulla) SVE - Nucleus Ambiguous (medulla) GVE - Inferior Salivatory Nucleus (medulla)
45
What are the components of the vagus nerve and the corresponding nucleus?
GVA - Solitary Nucleus (medulla) SVA - Solitary Nucleus (medulla) GSA - Spinal Nucleus of V (medulla) SVE - Nucleus Ambiguous (medulla) GVE - Dorsal Motor Nucleus of X
46
How is the solitary tract divided?
Taste is in the upper part | GVA is in the lower part
47
What are the components of the spinal accessory nerve and the corresponding nucleus?
SVE - Accessory Nucleus (spinal cord)
48
What are the components of the hypoglossal nerve and the corresponding nucleus?
GSE - Hypoglossal Nucleus (medulla)
49
In lesion of the hypoglossal nerve, which side does the tongue deviate towards?
Towards the side of the lesion. "Licking your wounds"
50
Where does the motor column run?
Medial
51
Where does the sensory column run?
Lateral
52
From the basal plate running upwards in the GSE column, what nerves are found?
12 -> 6 -> 4 -> 3
53
From the basal plate running upwards in the GVE column, what nerves are found?
Dorsal Motor 10 -> Inf Saliv. 9 -> Sup Saliv. 7 -> EW 3
54
From the basal plate running upwards in the SVE column, what nerves are found?
Nucleus Ambiguous 9 and 10 -> 7 -> 5
55
From the alar plate running upwards in the GVA/SVA column, what nerves are found?
Solitary Nucleus 7, 9 and 10 -> Nose
56
From the alar plate running upwards in the GSA column, what nerves are found?
Spinal Nucleus of 5, 7, 9 and 10
57
From the alar plate running upwards in the SSA column, what nerves are found?
8 -> Eyes
58
Where does CN XII come out from the brainstem?
At the level of the medulla between the olive and the pyramid.

Neuroscience (19 decks)

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