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First year > Muscle innervation > Flashcards

Muscle innervation Flashcards

1
Q

hyoglossus

A

motor: CN XII

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2
Q

styloglossus

A

motor: CN XII

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3
Q

genioglossus

A

motor: CN XII

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4
Q

palatoglossus

A

motor: CN X

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5
Q

anterior 2/3

A

sensory: lingual branch of CN V3

special sensory: chorda tympani hitchhikes lingual branch of CN V3

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6
Q

posterior 1/3

A

sensory: CN IX

special sensory: CN IX

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7
Q

digastric posterior belly

A

motor: CN VII

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8
Q

digastric anterior belly

A

motor: nerve to mylohyoid branch of CN V3

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9
Q

mylohyoid

A

motor: nerve to mylohyoid branch of CN V3

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10
Q

stylohyoid

A

motor: CN VII

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11
Q

geniohyoid

A

motor: C1 (ansa cervicalis) hitchhikes CN XII

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12
Q

omohyoid superior and inferior belly

A

motor: ansa cervicalis C1-C3

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13
Q

sternohyoid

A

motor: ansa cervicalis C1-C3

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14
Q

thyrohyoid

A

motor: C1 (ansa cervicalis) hitchhikes CN XII

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15
Q

sternothyroid

A

motor: ansa cervicalis C1-C3

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16
Q

scalene (post, mid, ant)

A

motor: C4-C6

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17
Q

sternocleidomastoid

A

motor: CN XI

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18
Q

trapezius

A

motor: CN XI

19
Q

muscles of mastication

A

motor: anterior division of CN V3

20
Q

muscles of facial expression

A

sensory: CN V and great auricular
motor: CN VII

21
Q

lesser occipital nerve

A

C2 (cervical plexus)

22
Q

great auricular

A

C2-3 (cervical plexus)

23
Q

transverse cutaneous/ cervical

A

C2-3 (cervical plexus)

24
Q

supraclavicular

A

C3-4 (cervical plexus)

25
Q

ansa cervicalis

A

C1-3
superior root C1
inferior root C2-3 from cervical plexus

26
Q

cervical plexus

A

C1-4

27
Q

brachial plexus

A

C5-8 + T1

28
Q

suprahyoid muscles

A

ant. belly of digastric + mylohyoid = CN V3 nerve to mylohyoid
post. belly digastric + stylohyoid = CN VII
geniohyoid = C1 hitchhikes CN XII

29
Q

infrahyoid muscles

A

all ansa cervicalis

except thyrohyoid C1 hitchhikes CN XII

30
Q

tongue papillae

A

fungiform and filiform papillae = chorda tympani CN VII hitchhikes lingual CN V3
circumvallate papillae = CN IX

31
Q

parotid gland

A

lesser petrosal CN IX
otic ganglion
auriculotemporal CN V3

32
Q

submandibular and sublingual gland

A

chorda tympani CN VII hitchhikes lingual CN V3

submandibular ganglion

33
Q

minor salivary glands e.g. palatine, mucous, nasal

A

greater petrosal (CN VII) + deep petrosal (internal carotid plexus) = nerve to pterygoid
pterygopalatine ganglion
CN V2 branches e.g. nasopalatine, pharyngeal, greater and lesser palatine, posterior superior nasal

34
Q

lacrimal gland

A

greater petrosal (CN VII) + deep petrosal (internal carotid plexus) = nerve to pterygoid
pterygopalatine ganglion
zygomatic nerve CN V2
lacrimal nerve CN V1

35
Q

eyelid muscles

A

levator palpebrae superioris (para)
sup. branch occulomotor nerve CN III
ciliary ganglion
short ciliary nerve

superior tarsal (symp)
superior cervical ganglion
ophthalmic artery of ICA

36
Q

cornea and iris

A

nasociliary CN V1 passes through cilairy ganglion

37
Q

muscles of soft palate

A

motor: all (levator veli palatini, palatopharyngeus, palatoglossus, musculus uvula) = CN X pharyngeal branch, except tensor veli palatini = anterior div. CN V3
sensory: lesser palatine nerve CN V2

38
Q

muscles of pharynx

A

motor: longitudinal muscles (palatopharyngeus, salingopharyngeus) = CN X pharyngeal branch, except stylopharyngeus = CN IX
motor: constrictor muscles (sup, mid, inf,) = CN X pharyngeal branch
sensory: CN IX

39
Q

hard palate

A

sensory: greater palatine and nasopalatine CN V2

40
Q

internal laryngeal muscles

A

motor: all (aryepiglottic, thyroepiglottic, posterior and lateral cricoarytenoid, transverse and oblique interarytenoid, thyroarytenoid, vocalis) = CN X recurrent laryngeal,
except cricothyroid = CN X external laryngeal branch of superior laryngeal

sensory: supraglottic = CN X internal branch of superior laryngeal, infraglottic = CN X inferior branch of recurrent laryngeal

41
Q

nasal cavity

A

superior anterior half
special sensory: CN I
sensory: CN V1 anterior (septal and external nasal) and posterior ethmoid

inferior posterior half
sensory: CN V2 posterior/ inferior lateral nasal nerve, nasal bracnh of ant. sup. alveolar, internal branch of infraorbital, nasopalatine

42
Q

ear muscles

A

tensor tympani = tensor tympanic nerve CN V3

stapedius = nerve to stapedius CN VII

43
Q

ear sensory

A 
vagus CN X
facial CN VII
auriculotemporal CN V3
lesser occipital C2
greater auricular C2-3
44
Q

eye muscles

A

motor: SO4LR6AO3

superior oblique = trochlear CN IV
lateral rectus = abducens CN VI
all others = oculomotor CN III

sup. branch CN III = SR, levator palpebrae superioris
inf. branch CN III = MR, IR, IO, ciliary ganglion

First year (31 decks)

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