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Anatomy > Head and Neck > Flashcards

Head and Neck Flashcards

1
Q

Anterior digastric innervation

A

mylohyoid branch of inferior alveolar n (from CN V3)

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2
Q

posterior digastric innervation

A

facial n.

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3
Q

geniohyoid innervation

A

ventral ramus of C1 via CN XII

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4
Q

mylohyoid innervation

A

mylohyoid branch of inferior alveolar n. (from CN V3)

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5
Q

Omohyoid innervation

A

ansa cervicalis (C1-C3)

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6
Q

anterior scalene innervation

A

lower ventral rami of cervical spinal n.

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7
Q

middle scalene innervation

A

lower ventral rami of cervical spinal n.

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8
Q

posterior scalene

A

ventral rami of cervical spinal n. (C6-C8)

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9
Q

Sternocleidomastoid innervation

A

accessory nerve & C1-C2

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10
Q

sternohyoid innervation

A

ansa cervicalis (C1-C3)

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11
Q

Sternothyroid innervation

A

ansa cervicalis (C1-C3)

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12
Q

Stylohyoid inervation

A

facial n.

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13
Q

thyrohyoid innervation

A

ventral ramus of C1 via CN XII

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14
Q

cricothyroid innervation

A

external laryngeal n. (CN X)

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15
Q

masseter attachments

A

zygomatic arch
to
angle of mandible & lateral aspect of ramus

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16
Q

masseter function

A

elevation, protraction, and retraction (deep fibers) of mandible

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17
Q

masseter innervation

A

mandibular nerve (V3)

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18
Q

temporalis attachments

A

temporal fossa
to
coronoid process & anterior border of ramus of mandible

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19
Q

temporalis function

A

elevation and retraction of mandible

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20
Q

temporalis innervation

A

mandibular nerve (V3)

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21
Q

lateral pterygoid attachments

A

infratemporal surface of the sphenoid & lateral surface of the lateral pterygoid plate
to
neck of mandible & TMJ disc

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22
Q

lateral pterygoid function

A

depress mandible

protract & act with the ipsilateral medial pteryoid to rotate mandible and produce side to side movements with chewing

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23
Q

lateral pterygoid innervation

A

mandibular nerve (V3)

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24
Q

Medial pterygoid attachments

A

medial surface of lateral pterygoid plate & adjacent maxilla
to
medial aspect of angle of the mandible

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25
Q

medial pterygoid function

A

elevation of mandible

act with ipsilateral lateral pteryoid to rotate mandible and produce side to side movements during chewing

26
Q

medial pterygoid innervation

A

mandibular nerve (V3)

27
Q

Muscles innervated by inferior ramus of the oculomotor n.

A

inferior oblique
inferior rectus
medial rectus

28
Q

Muscles innervated by the superior ramus of the oculomotor n.

A

levator palpebrae superioris

superior rectus

29
Q

Muscle innervated by abducens n.

A

lateral rectus

30
Q

muscle innervated by trochlear n.

A

superior oblique

31
Q

buccinator attachments

A

alveolar processes of the maxilla & mandible, pterygoid hamulus & pterygomandibular raphe
to
angle of mouth

32
Q

buccinator function

A

compresses cheek when blowing

33
Q

buccinator innervation

A

buccal branch of facial n.

34
Q

depressor anguli oris attachments

A

mandible
to
angle of mouth

35
Q

depressor anguli oris function

A

depresses angle of mouth laterally (frown)

36
Q

depressor anguli oris innervation

A

buccal & mandibular branch of facial n.

37
Q

depressor labii inferioris attachments

A

oblique line of mandible
to
skin of lower lip

38
Q

depressor labii inferioris function

A

depresses lower lip (pouting)

39
Q

depressor labii inferioris innervation

A

mandibular branch of facial n.

40
Q

frontalis attachments

A

superficial fascia of the eyebrows
to
epicranial aponeurosis

41
Q

frontalis function

A

protraction of scalp

elevate eyebrows and nose (surprise)

42
Q

frontalis innervation

A

temporal branch of facial n.

43
Q

levator labii superioris attachments

A

inferior orbital margin
to
lateral aspect of the upper lip

44
Q

levator labii superioris function

A

raises and everts upper lips (sadness)

45
Q

levator labii superioris innervation

A

buccal and zygomatic branches of facial n.

46
Q

nasalis attachments

A

maxilla lateral & inferior to the nasal notch
to
bridge & ala of the nose

47
Q

naslis function

A

transverse fibers compress

alar fibers widen masal aperture (flare nostrils)

48
Q

nasalis innervation

A

buccal branch of facial n.

49
Q

orbicularis oculi attachments

A

orbital margin & medial palpebral ligament
to
superficial fascia of the eyelid

50
Q

orbicularis oculi function

A

palpebral sphincter (close eyes, winking)

51
Q

orbicularis oculi innervation

A

temporal and zygomatic branches of facial n.

52
Q

orbicularis oris attachments

A

angle of mouth
to
superficial fascia of upper lip

53
Q

orbicularis oris function

A

oral sphincter (close mouth, kissing)

54
Q

orbicularis oris innervation

A

buccal and mandibular branches of facial n.

55
Q

platysma attachments

A

lower border of mandible
to
superficial fascia of skin of neck overlying clavicle

56
Q

platysma function

A

wrinkles anterior nuchal skin

57
Q

platysma innervation

A

cervical branch of facial n.

58
Q

zygomaticus major attachments

A

zygomatric bone
to
angle of mouth

59
Q

zygomaticus major function

A

raises angle of mouth (smiling)

60
Q

zygomaticus major innervation

A

buccal and zygomatric branches of facial nerve

Anatomy (17 decks)

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