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Anatomy II > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

olfactory type

A

special sensory

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2
Q

optic type

A

special sensory

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3
Q

oculomotor types

A

somatic motor, visceral motor (parasympathetic)

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4
Q

trochlear type

A

somatic motor

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5
Q

opthalmic type

A

somatic (general) sensory

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6
Q

maxillary type

A

somatic (general) sensory

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7
Q

mandibular types

A

somatic (general) sensory), somatic (brachial) motor

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8
Q

facial types

A

somatic (branchial) motor, special sensory, somatic (general) sensory, visceral motor

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9
Q

vestibulocochlear type

A

special sensory

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10
Q

glossopharyngeal types

A

somatic (branchial) motor, visceral motor (parasympathetic), visceral sensory, special sensory, somatic (general) sensory

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11
Q

vagus types

A

somatic (branchial) motor, visceral motor, visceral sensory, special sensory, somatic (general) sensory

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12
Q

spinal accessory type

A

somatic motor

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13
Q

hypoglossal type

A

somatic motor

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14
Q

olfactory nerve cell bodies

A

olfactory cells (olfactory epithelium)

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15
Q

optic nerve cell bodies

A

retina (ganglion cells)

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16
Q

oculomotor nerve cell bodies: somatic motor

A

midbrain (nucleus of oculomotor nerve)

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17
Q

oculomotor nerve cell bodies: visceral motor

A

pre: midbrain post: ciliary nucleus

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18
Q

trochlear nerve cell bodies

A

midbrain (nucleus of trochlear nerves)

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19
Q

opthalmic, maxillary, and mandibular somatic sensory nerve cell bodies

A

trigeminal ganglion. synapse: sensory nucleus of trigeminal nerve

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20
Q

mandibular somatic (branchial) motor nerve cell bodies

A

pons (motor nucleus of trigeminal nerve)

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21
Q

abducens nerve cell bodies

A

pons (nucleus of abducens nerve)

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22
Q

facial somatic (brachial) motor nerve cell bodies

A

pons (motor nucleus of facial nerve)

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23
Q

facial special sensory nerve cell bodies

A

geniculate ganglion. synapse: nuclei of solitary tract

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24
Q

facial somatic (general) sensory nerve cell bodies

A

geniculate ganglion. synapse: sensory nucleus of trigeminal nerve

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25
Q

facial visceral motor nerve cell bodies

A

pre: pons (superior salivatory nucleus) post: pterygopalatine ganglion, submandibular ganglion

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26
Q

vestibular nerve cell bodies

A

vestibular ganglion. synapse: vestibular nuclei

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27
Q

cochlear nerve cell bodies

A

spiral ganglion. synapse: cochlear nulei

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28
Q

glossopharyngeal somatic (branchial) motor nerve cell bodies

A

medulla (nucleus ambiguus)

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29
Q

glossopharyngeal visceral motor nerve cell bodies

A

pre: medulla (inferior salivatory nucleus) post: otic ganglion

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30
Q

glossopharyngeal special sensory and visceral sensory nerve cell bodies

A

sensory ganglion (nuclei of solitary tract)

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31
Q

glossopharyngeal somatic (general) sensory nerve cell bodies

A

sensory ganglion (synapse: sensory nucleus of CNV)

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32
Q

vagus somatic (branchial) motor nerve cell bodies

A

medulla (nucleus ambiguus)

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33
Q

vagus visceral motor nerve cell bodies

A

pre: medulla post: neurons in or near viscera

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34
Q

vagus special sensory and visceral sensory nerve cell bodies

A

inferior ganglion. synapse: nuclei of solitary tract

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35
Q

vagus somatic (general) sensory nerve cell bodies

A

superior ganglion. synapse: sensory nucleus of trigeminal nerves

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36
Q

spinal accessory nerve cell bodies

A

spinal cord!

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37
Q

hypoglossal nerve cell bodies

A

medulla

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38
Q

olfactory exit

A

foramina of cribriform plate

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39
Q

optic exit

A

optic canal

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40
Q

oculomotor, trochlear, opthalmic, abducent exit

A

superior orbital fissure

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41
Q

maxillary exit

A

foramen rotundum

42
Q

mandibular exit

A

foramen ovale

43
Q

facial exit

A

internal acoustic meatus, facial canal, stylomastoid foramen

44
Q

vestibulocochlear exit

A

internal acoustic meatus

45
Q

gloassopharyngeal, vagus, spinal acessory eit

A

jugular foramen

46
Q

hypoglossal exit

A

hypoglossal canal

47
Q

olfactory action

48
Q

optic action

A

vision (retina)

49
Q

oculomotor somatic motor action

A

superior, inferior and medial rectus, inferior oblique and levator palpebra superioris.

turns eyeball superiorly, inferiorly, medially, raises superior eyelid

50
Q

oculomotor visceral motor action

A

parapsympathetic to sphinter pupillae and ciliary muscle, constricts pupil and accomodates lens.

51
Q

trochlear action

A

motor to superior oblique, assists in turning eye inferiolaterally (or inferiorly when adducted.)

52
Q

opthalmic action

A

sensation: cornea, skin of forehead, scalp, eyelids, nose; mucosa of nasal cavity and paranasal sinuses

53
Q

maxillary action

A

sensation: skin of face over maxilla, maxillary teeth & sinus, nose mucosa, & palate

54
Q

mandibular somatic (general) sensory action

A

sensation: skin over mandible, mandibular teeth, TMJ, mucosa of mouth, anterior (front) 2/3 tongue

55
Q

mandibular somatic (branchial) motor action

A

motor to muscles of mastication, mylohyoid & anterior digastric belly, tensor veli palatini and tensor tympani

56
Q

abducent action

A

motor to lateral rectus, turns eye laterally

57
Q

facial somatic (branchial) action

A

motor to facial expression muscles and scapl, stapedius of middle ear, posterior belly of the digastric

58
Q

facial special sensory action

A

taste front anterior (front) 2/3 of tongue

59
Q

facial somatic (general) sensory action

A

sensation: skin of external acoustic meatus

60
Q

facial visceral motor action

A

parasympathetic to glands: submandibular, sublingual, lacrimal, glands of nose and palate

61
Q

vestibular action

A

position and movement of head

62
Q

semicircular ducts, utricle, saccule

A

inner ear, where balance comes from

63
Q

cochlear action

A

hearing (from spiral organ)

64
Q

glossopharyngeal somatic (branchial) motor action

A

motor to stylopharyngeus to assist in swallowing

65
Q

glossopharyngeal visceral motor action

A

parasympathetic: parotid gland

66
Q

glossopharyngeal special sensory action

A

taste from posterior third of tongue

67
Q

glossopharyngeal somatic (general) sensory actions

A

sensation: eternal ear, pharynx, middle ear

68
Q

glossopharyngeal visceral sensory action

A

carotid body and sinus

69
Q

vagus somatic (branchial) motor action

A

motor to pharyngeal constrictors, (except stylopharyngeus) intrinsic muscles of larynx, muscles of palate (except tensor veli palatini) striated muscle of superior esophagus

70
Q

vagus visceral motor action

A

parasympathetic to smooth muscle of trachea, brochi, digestive tract, and cardiac muscle

71
Q

vagus visceral sensory action

A

visceral sensation from base of tongue, pharynx, larynx, trachea, bronchi, heart, esophagus, stomach, intestine

72
Q

vagus special sensory action

A

taste from epiglottis and palate

73
Q

vagus nerve somatic (general) sensory action

A

sensation: auricle, external acoustic meatus, dura mater of posterior cranial fossa

74
Q

spinal accessory action

A

motor to SCM and trapezius

75
Q

hypoglossal action

A

motor to intrinsic and extrinsic tongue (except palatoglossus).

76
Q

parasympathetic ganglion of the head

A

ciliary, pterygopalatine, submandibular, otic

77
Q

ciliary ganglion is attached to _____ but comes from _____

A

V1 (nasociliary branch), CNIII

78
Q

pterygopalatine ganglion is attached to _____ but comes from _____

A

V2, CNVII (greater petrosal)

79
Q

submandibular ganglion is attached to _____ but comes from _____

A

V3 (lingual branch), CNVII (chorda tympani branch)

80
Q

otic ganglion is attached to _____ but comes from _____

A

V3, IX, lesser petrosal nerve

81
Q

trigeminal ganglion

A

GA, CNV.

in middle cranial fossa

82
Q

mesencephalic nucleus

A

GA, CNV

within the brain (displaced cells of trigeminal ganglion)

83
Q

geniculate ganglion

A

GA, SA, CNVII

in facial canal

84
Q

cochlear ganglion

A

SA, CNVIII

in canal around modiolus, base of spiral lamina

85
Q

vestibular ganglion

A

SA, CNVIII

outer part of internal acoustic meatus

86
Q

ganglion of IX (superior and inferior)

A

GA, SA

in jugular foramen

87
Q

ganglion of X

A

GA, SA

in and below jugular foramen

88
Q

salvitory nucleus

A

where salivary parasympathetics synapse in the CNS

inferior: parotid (IX) (otic ganglion)
superior: all the rest (VII) (submandibular and pterygopalatine ganglion)

89
Q

nucleus ambiguus

A

in medulla,

where motor nerve of IX and X come from

90
Q

solitary tract

A

where special sensory VII

and somatic/special sensoty IX and X synapse

91
Q

tenor velli palatini

A

tenses palate to keep liquid out of pharynx

mandibular nerve

92
Q

tenor tympani

A

tenses tympani

mandibular nerve

93
Q

palatoglossus

A

helps to swallow, prevents choking

vagus nerve

94
Q

last midbrain cranial nerve

95
Q

divides pons and medulla cranial nerves

A

VIII, emerges from pontomedullary junction

96
Q

what is weird about VII, IX, X somatic sensory nerves?

A

synapse on trigeminal sensory nucleus

97
Q

sympathetics passing through ganglion:

ciliary (V1 nasociliary)

A

internal carotid plexus

around opthalmic artery

98
Q

sympathetics passing through ganglion:
pterygopalantine
(V2 maxillary)

A

internal carotid plexus

deep petrosal artery

99
Q

sympathetics passing through ganglion:
submandibular
(V3) lingual

A

external carotid plexus (facial artery plexus)

100
Q

sympathetics passing through ganglion:
otic
(V3 mandibular)

A

external carotid plexus

middle meningeal plexus

Anatomy II (8 decks)

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