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Head and neck > OINAS > Flashcards

OINAS Flashcards

1
Q

Orbicularis oris (Extrinsic fibers) origin

A

from insertions of circumoral muscles

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2
Q

Orbicularis oris (Extrinsic fibers) insertion

A

Extrinsic fibers pass around mouth within the lips as a sphincter

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3
Q

Orbicularis oris (Extrinsic fibers) action

A

Compresses lips against anterior teeth, closes mouth, protrudes lips

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4
Q

Orbicularis oris (Extrinsic fibers)nerve

A

VII—zygomatic, buccal, and mandibular branches

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5
Q

Orbicularis oris (Intrinsic fibers) origin

A

from incisive fossae of mandible and maxilla

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6
Q

Orbicularis oris (Intrinsic fibers) insertion

A

Intrinsic fibers pass obliquely forward and insert into the skin of the lip

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7
Q

Orbicularis oris (Intrinsic fibers)action

A

Compresses lips against anterior teeth, closes mouth, protrudes lips

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8
Q

Orbicularis oris (Intrinsic fibers) nerve

A

VII—zygomatic, buccal, and mandibular branches

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9
Q

Depressor anguli oris origin

A

Oblique line of mandible

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10
Q

Depressor anguli oris insertion

A

Angle of mouth

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11
Q

Depressor anguli oris action

A

Depresses angle of mouth

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12
Q

Depressor anguli oris nerve

A

VII—buccal and mandibular branches

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13
Q

Levator anguli oris origin

A

Canine fossa of maxilla, below infraorbital foramen

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14
Q

Levator anguli oris insertion

A

Angle of mouth

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15
Q

Levator anguli oris action

A

Elevates angle of mouth

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16
Q

Levator anguli oris nerve

A

VII—zygomatic and buccal branches

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17
Q

Zygomaticus major origin

A

Zygomatic bone

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18
Q

Zygomaticus major insertion

A

Angle of mouth

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19
Q

Zygomaticus major action

A

Draws angle of mouth up and back

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20
Q

Zygomaticus major nerve

A

VII—zygomatic and buccal branches

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21
Q

Risorius origin

A

Contributions of platysma fibers, fascia of parotid and masseteric regions

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22
Q

Risorius insertion

A

Angle of mouth

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23
Q

Risorius action

A

Draws angle of mouth laterally

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24
Q

Risorius nerve

A

VII—zygomatic and buccal branches

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25
Q

Levator labii superioris( Angular head ) origin

A

frontal process of maxilla

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26
Q

Levator labii superioris( Angular head ) insertion

A

Alar cartilage and skin of nose

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27
Q

Levator labii superioris( Angular head )action

A

Elevates upper lip, flares nostril

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28
Q

Levator labii superioris( Angular head ) nerve

A

VII—zygomatic and buccal branches

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29
Q

Levator labii superioris( Infraorbital head) origin

A

inferior margin of orbit

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30
Q

Levator labii superioris( Infraorbital head)insertion

A

Upper Lip

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31
Q

Levator labii superioris( Infraorbital head)action

A

NO

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32
Q

Levator labii superioris( Infraorbital head)nerve

A

NO

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33
Q

Levator labii superioris( Zygomatic head ) origin

A

zygomatic bone

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34
Q

Levator labii superioris( Zygomatic head ) insetion

A

Nasolabial groove and upper lip

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35
Q

Levator labii superioris( Zygomatic head )action

A

NO

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36
Q

Levator labii superioris( Zygomatic head ) nerve

A

NO

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37
Q

Depressor labii inferioris origin

A

Oblique line of mandible

38
Q

Depressor labii inferioris insertion

39
Q

Depressor labii inferioris A

A

Depresses lower lip

40
Q

Depressor labii inferioris N

A

VII—mandibular branches

41
Q

Buccinator O

A

Pterygomandibular raphé, buccal alveolar processes of maxilla and mandible

42
Q

Buccinator I

A

Upper fibers cross to insert into lower lip; lower fibers cross to insert into upper lip

43
Q

Buccinator A

A

Compresses cheeks against molar teeth; sucking and blowing

44
Q

Buccinator N

A

VII—buccal branches

45
Q

Mentalis O

A

Incisive fossa mandible

46
Q

Mentalis I

A

Skin of chin

47
Q

Mentalis A

A

Puckers skin of chin, protrudes lower lip

48
Q

Mentalis N

A

VII—mandibular branches

49
Q

Nasalis (Compressor nares) O

A

canine eminence of maxilla

50
Q

Nasalis (Compressor nares) I

A

Midline aponeurosis overlying lateral nasal cartilages

51
Q

Nasalis (Compressor nares) A

A

Compresses nostrils

52
Q

Nasalis (Compressor nares) N

A

VII—zygomatic and buccal branche

53
Q

Orbicularis oculi (orbital) O

A

bone of upper medial orbital margin

54
Q

Orbicularis oculi (orbital) I

A

Fibers encircle margins of orbit and insert into medial palpebral ligament

55
Q

Orbicularis oculi (orbital) A

A

Closes eye forcefully

56
Q

Orbicularis oculi (orbital) N

A

VII—temporal and zygomatic branches

57
Q

Orbicularis oculi (Palpebral)

A

medial palpebral ligament

58
Q

Orbicularis oculi (Palpebral) O

A

Fibers arch laterally through lids and interdigitate laterally in a raphé

59
Q

Orbicularis oculi (Palpebral) I

A

Closes eye gently

60
Q

Orbicularis oculi (Palpebral)

61
Q

Orbicularis oculi (Lacrimal) O

A

lacrimal bone behind lacrimal sac

62
Q

Orbicularis oculi (Lacrimal) I

A

Medial aspect of lids

63
Q

Orbicularis oculi (Lacrimal) A

A

(c) Squeezes lubricating tears against eyeball

64
Q

Orbicularis oculi (Lacrimal)

65
Q

Procerus O

A

Nasal bone and lateral nasal cartilage

66
Q

Procerus I

A

Skin of glabella

67
Q

Procerus A

A

Transverse wrinkling of bridge of nose

68
Q

Procerus N

A

VII—temporal and zygomatic branches

69
Q

Corrugator O

A

Medial aspect of supraorbital margin

70
Q

Corrugator I

A

Skin underlying eyebrow

71
Q

Corrugator A

A

Vertical wrinkling of bridge of nose

72
Q

Corrugator N

A

VII—temporal branches

73
Q

Frontalis O

A

Aponeurosis of scalp

74
Q

Frontalis I

A

Skin of forehead

75
Q

Frontalis A

A

Pulls scalp up and back

76
Q

Frontalis N

A

VII—temporal branches

77
Q

Occipitalis O

A

Lateral two thirds of superior nuchal line, mastoid process

78
Q

Occipitalis I

A

Skin of occipital area

79
Q

Occipitalis A

A

Pulls scalp backward and forward along with occipitalis

80
Q

Occipitalis N

A

VII—posterior auricular branches

81
Q

Anterior auricular O

A

Aponeurosis of scalp, temporal fascia

82
Q

Anterior auricular I

A

Anterior medial aspect of helix of auricle

83
Q

Anterior auricular A

A

Pulls ear forward

84
Q

Anterior auricular N

A

VII—temporal branches

85
Q

Posterior auricular O

A

Superior lateral aspect of mastoid process

86
Q

Posterior auricular I

A

Inferior medial aspect of auricle

87
Q

Posterior auricular A

A

Pulls ear backward

88
Q

Posterior auricular N

A

VII—temporal branches

89
Q

Superior auricular O

A

Aponeurosis of scalp, temporal fascia

90
Q

Superior auricular I

A

Superior medial aspect of auricle

91
Q

Superior auricular A

A

Pulls ear superiorly

92
Q

Superior auricular N

A

VII—posterior auricular branches (

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