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Anatomy 4 > CN VII, IX, X, XII > Flashcards

CN VII, IX, X, XII Flashcards

1
Q

CN VII GSA

Nucleus and main function

A

spinal trigeminal nucleus

sensory from external ear

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2
Q

CN VII SA

Nucleus and main function

A

Nucleus solitarius

taste anterior 2/3 of tongue and palate

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3
Q

CN VII GVA

Nucleus and main function

A

Nucleus solitarius

sensory info from nasal, lacrimal, palatine, pharyngeal, sublingual and submandibular glands

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4
Q

CN VII SVE

Nucleus and main function

A

facial motor nucleus

motor to muscles of facial expression

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5
Q

CN VII GVE

Nucleus and main function

A

superior salvitory nucleus

PNS to nasal, lacrimal, palatine, pharyngeal, sublingual, submandibular glands

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6
Q

CN IX GSA

Nucleus and main function

A

spinal trigeminal nucleus

sensory from external ear

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7
Q

CN IX SA

Nucleus and main function

A

nucleus solitarius

taste posterior 1/3 of tongue

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8
Q

CN IX GVA

Nucleus and main function

A

Nucleus solitarius

posterior 1/3 tongue, palatine tonsil, pharynx, carotid body, carotid sinus

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9
Q

CN IX SVE

Nucleus and main function

A

nucleus ambiguus

motor to stylopharyngeus (only muscle of CN IX)

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10
Q

CN IX GVE

Nucleus and main function

A

inferior salvitory nucleus

PNS to parotid gland

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11
Q

CN X GSA

Nucleus and main function

A

spinal trigeminal nucleus

external ear

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12
Q

CN X SA

Nucleus and main function

A

nucleus solitarius

taste epilottis

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13
Q

CN X GVA

Nucleus and main function

A

nucleus solitarius

sensory from larynx, trachea, esophagus, thoracic and abdominal viscera

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14
Q

CN X SVE

Nucleus and main function

A

nucleus ambiguus

motor to muscles of soft palate, pharynx, larynx, and upper esophagus

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15
Q

CN X GVE

Nucleus and main function

A

dorsal motor nucleus X
PNS to thoracic and abdominal organs
most widely distributed PNS nerve

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16
Q

CN VII

Name

17
Q

CN IX

Name

A

glossopharyngeal

18
Q

CN X

name

19
Q

Superior salvitory nucleus

location, nerves, ganglions

A

in pons
GVE from CN VII (facial) to pterygopalatine ganglion (lacrimal, nasal palatine and upper pharynx glands) and to submandibular ganglion (sublingual and submandibular glands)

20
Q

Genticulate ganglion

A

contains cell bodies of GSA and SA from CN VII (facial)

21
Q

Gustatory nucleus

A

rostral solitary nucleus (where SA from CN VII (facial) synapse)

22
Q

Where do CN IX and X leave brainstem, reside in skull and where do they exit?

A

IX from anterior medulla
X from medulla
In posterior cranial fossa
Exit via jugular foramen

23
Q

Inferior salvitory nucleus

location, nerves

A

in medulla

GVE from CN IX

24
Q

solitary nucleus

location, nerves

A

in pons/medulla
SA and GVA from CN VII
SA and GVA from CN IX
SA and GVA from CN X

25
Q

nucleus ambiguus

location, nerves/input

A

in medulla
SVE from CN IX
SVE from CN X
(bilateral but mostly contralateral corticobulbar input)

26
Q

Spinal trigeminal nucleus

location, nerves

A

Extends through midbrain, pons, medulla and into cervical spinal cord
GSA from CN VII
GSA from CN IX
GSA from CN X

27
Q

Glossopharyngeal ganglion

A

superior: GSA from CN IX
inferior: SA and GVA from CN IX

28
Q

otic ganglion

A

GVE from CN IX

29
Q

dorsal motor nucleus of CN X

location, nerves

A

medulla

GVE from CN X

30
Q

vagal ganglion

A

superior: GSA from CN X
inferior: SA and GVA from CN X

31
Q

where does CN XII leave brainstem, location in skull and where it exits

A

from front of medulla
in posterior cranial fossa
exit via hypoglossal canal

32
Q

CN XII name

A

hypoglossal

33
Q

CN XII GSE

Nucleus and main function

A

hypoglassal nucleus

motor to muscles of tongue

34
Q

hypoglossal nucleus

location, nerves/input

A

in rostal medulla
GSE from CN XII
bilateral but mostly contralateral input

35
Q

Hypoglossal nerve

A

intrinsic tongue muscle
3-4 extrinsic tongue muscles
ADDucts tongue

36
Q

adduct vs abduct

A

adduct: towards midline
abduct: away from midline

37
Q

UMN lesion vs LMN lesion to hypoglosseal nerve (impact on tongue movement)

A

UMN: tongue deviates contralateral to lesion
LMN: tongue deviates ipsilateral to lesion

38
Q

list CN I-XII

A

olfactory, optic, oculomotor, trochlear, trigeminal, abducens, facial, vestibulocochlear, glossopharyngeal, vagus, accessory, hypoglossal

Oh Once One Takes The Anatomy Final Very Good Vacations Are Heavenly

39
Q

Where does CN VII emerge from brainstem, leave cranial cavity, leave skull?

A

Leaves brainstem between pons and medulla
to temporal bone
Exits internal cranial cavity via auditory meatus
exits skull via stylomastoid foramen

Anatomy 4 (8 decks)

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