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Anatomy II: Exam 3 > L21: Parasympathetic Nerves (3,5,7,9,10) > Flashcards

L21: Parasympathetic Nerves (3,5,7,9,10) Flashcards

1
Q

list the 4 main parasympathetic CNs

A
  1. oculomotor n
  2. facial n
  3. glossopharyngeal n
  4. vagus n
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2
Q

CN III

A

oculomotor n

carries 2 modalities - GSM and GVM

carries parasym fibers that control the shape of the lens and pupil

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3
Q

CN III - GSM

A

oculomotor n

cell bodies in oculomotor nuclear complex
thru sup orbital fissure
to
extrinsic eye muscles
levator palpebrae sup
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4
Q

CN III - GVM

A

pregang

  • -Edinger Westphal nucleus
  • -thru sup orbital fissure
  • -to ciliary ganglion

postgang
–to constrictor pupillae and ciliary muscles

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5
Q

CN V

A

trigeminal n

named for its 3 branches that are considered their own nerves

major sensory n to face GSS

motor innervation to mastication SVM

largest of the 12 CNs

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6
Q

CN V1

A

ophthalmic branch

general sensory to orbit
sensations to nose, skin above eye, upper eyelid

branches:
frontal, lacrimal, nasociliary

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7
Q

CN V2

A

maxillary branch

sensation to maxillary region
branches:
infraorbital
ant sup alveolar
zygomatic
palatine
nasal
post sup alveolar
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8
Q

CN V3

A

mandibular branch

sensation to mandible
branches:
motor branches to 4 muscles of mastication
auriculotemporal
inf alveolar
lingual
buccal
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9
Q

auriculotemporal branch

A

of CN V3

sensory to scalp behind jaws

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10
Q

CN V - GSS modality

A

cell bodies of sensory neurons are located in trigeminal or semilunar ganglion

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11
Q

CN V - SVM modality

A

cell bodies of these motor neurons are located in masticator nucleus

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12
Q

CN VII

A

facial n
SVM
GSS and SVS
GVM

motor branches:
temporal, zygomatic, buccal, mandibular, cervical

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13
Q

CN VII - SVM

A

muscles of facial expression from 2nd pharyngeal arch

cell bodies of these neurons in motor nucleus
exit via stylomastoid foramen

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14
Q

CN VII - GSS

A

facial n

cell bodies of these sensory neurons in geniculate ganglion

supply part of external ear

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15
Q

CN VII - SVS

A

cell bodies of these sensory neurons are located:

  • -primary neurons in geniculate ganglion
  • -2ndary neurons in solitary nucleus
  • -tertiary ones end in thalamus

carry taste sensation from ant 2/3s of tongue, hard and soft palates

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16
Q

CN VII - GVM

A

facial n carries this modality as part of parasym sys

preganglionic neurons in sup salivatory nucleus and lacrimal nucleus

postgang neurons in submandibular and pterygopalatine ganglia

supply:
lacrimal gland, submandibular gland, sublingual gland, mucous gland of oral/nasal cavities

17
Q

the lingual nerve branch of CN ___ carries part of the SVS and preganglionic GVM fibers of CN ____

A

5

7

18
Q

preganglionic fibers to the pterygopalatine ganglion make up the ?

A

greater petrosal nerve

pass thru the pterygoid canal as the nerve to the pterygoid canal

19
Q

postganglionic fibers from the pterygopalatine ganglion use the ?

A

zygomatic and lacrimal branch of CN V to reach the lacrimal gland

20
Q

peculiar branches of the facial nerve

A

they split off from inside the petrous part of temporal bone

before the nerve leaves the stylomastoid foramen

carry the parasym part of the facial n

21
Q

CN IX

A 
glossopharyngeal n
SVM
GVM
GVS
GSS
SVS
22
Q

CN IX - SVM

A

cell bodies of this motor neurons in nucleus ambiguous

supply stylopharyngeal muscle

23
Q

CM IX - GVM

A

cell bodies of pregang neurons in inferior salivatory nucleus

post gang in otic ganglion

supply parotid gland

24
Q

CN IX - GVS

A

cell bodies
sensory neurons in
inf ganglion

sensation from carotid body and carotid sinus

25
Q

CN IX - GSS

A

cell bodies
sensory neurons in
sup or inf ganglion

carry sensation from:
post 1/3 tongue
external ear
middle ear cavity

26
Q

CN IX - SVS

A

cell bodies of
sensory neurons in
inf ganglion

carry taste sensation from post 1/3 of tongue

27
Q

CN X

A

vagus nerve
SVM, GVM, GVS, GSS

motor innervation to larynx muscles

major parasym n to thoracic and abdominal organs

28
Q

CN X - SVM

A

cell bodies of
motor neurons in
nucleus ambiguous

supply muscles of pharynx and larynx

29
Q

CN X - GVM

A

cell bodies of
pregang in dorsal motor nucleus
post gang in myenteric plexus and wall of gut tube

supply smooth muscles of glands throughout GI tract

30
Q

CN X - GVS

A

cell bodies of
sensory neurons in
inf ganglion

sensation from larynx, pharynx, thoracic, ab viscera to left colic flexure

31
Q

CN X - GSS

A

cell bodies of
sensory neurons in
sup and inf ganglia

carry sensation from external ear and pharynx

Anatomy II: Exam 3 (6 decks)

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