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2 Anatomy > Muscles Of Facial Expression > Flashcards

Muscles Of Facial Expression Flashcards

1
Q

Name this part of the skin

A

Epidermis

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2
Q

Name this part of the skin

A

Dermis

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3
Q

Name this part of the skin

A

Superficial fascia

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4
Q

Name this part of the skin

A

Deep fascia

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5
Q

The muscles of facial expression are found in which layer?

A

Superficial fascia

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6
Q

Muscles of facial expression have an origin on what? 2

A

Bone
Or
Fascia

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7
Q

Muscles of facial expression insert onto what mainly?

A

Skin

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8
Q

Name this bone

A

Zygomatic bone

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9
Q

Name this feature

A

Vermillion border

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10
Q

Name this structure

A

Buccal fat pad

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11
Q

What is the vermillion border?

A

Where the lip skin becomes face skin

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12
Q

Name this muscle

A

Frontalis

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13
Q

Name this muscle

A

Orbicularis oculi

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14
Q

Name this muscle

A

Quadratus superioris

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15
Q

Name this muscle

A

Platysma

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16
Q

Name this muscle

A

Orbicularis oris

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17
Q

Name this muscle

A

Buccinator

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18
Q

What r the 4 muscles that make up the Quadratus superioris from lateral to medial?

A
  1. Zygomaticus major
  2. Zygomaticus minor
  3. Levator labii superioris
  4. Levator labii superioris alaequae nasi
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19
Q

What does Levator labii superioris do/stand for?

A

Lift the lip upwards

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20
Q

What does Levator labii superioris alaequae nasi mean?

A

Lift the lip upwards
It is located at the wing of the nose

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21
Q

Name this muscle

A

Levator anguli oris

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22
Q

What does levator anguli oris do?

A

Lift the angle of the mouth

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23
Q

Name this muscle

A

Depressor labii inferioris

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24
Q

What does depressor labii inferioris do?

A

Brings the lip downwards

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25
Q

Name this muscle

A

Depressor anguli oris

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26
Q

What does depressor anguli oris mean?

A

Pull the angle (corners) of the mouth downwards

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27
Q

Name that muscle

A

Mentalis

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28
Q

What is deep to the Orbicularis oris muscle?

A

Incisive slips at 90degrees to muscle fibre

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29
Q

Name this connective tissue structure

A

Modiolus

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30
Q

The modiolus is a common site of attachment for

A

Multiple muscles of facial expression

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31
Q

Name this muscle

A

Buccinator

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32
Q

Name this connective tissue

A

Pterygomandibular raphe

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33
Q

The Buccinator attaches anteriorly to what?

A

The Orbicularis oris

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34
Q

The Buccinator attaches posterior to

A

Pterygomandibular raphe
A band of connective tissues

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35
Q

What connects the Frontalis to the occipitalis?

A

A flattened tendon called
Epicranial aponeurosis

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36
Q

Name this muscle

A

Frontalis

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37
Q

Name this muscle

A

Occipitalis

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38
Q

Name this muscle

A

Orbicularis oculi

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39
Q

Name this structure

A

Epicranial aponeurosis

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40
Q

What is this part of the Orbicularis oculi?

A

Orbital (external)

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41
Q

What is this part of the Orbicularis oculi?

A

Palpebral (internal/eyelid)

42
Q

The orbital part of the Orbicularis oculi allows us to?

A

Scrunch eyes up very tightly

43
Q

The Palpebral part of the Orbicularis oculi allows you to

A

Close your eyes gently

44
Q

What are the 5 layers of the SCALP from superficial to deep?

A

Skin
Connective tissue
Aponeurosis
Loose connective tissue
Pericranium

45
Q

The connective tissue layer of the scalp is highly what?

A

Vascularised

46
Q

The muscles of facial expressions are innervated by what nerve?

A

Facial nerve CN VII

47
Q

The facial nerve arises from which part of the brain?

A

Pons

48
Q

The facial nerve exits the cranial cavity through what? 3

A

Internal acoustic meatus
Through a channel in the petrous temporal bone
Exit the base of the skull via the
Stylomastoid foraminae

49
Q

CN VII facial nerve divides within what?

A

Parotid gland

50
Q

Name this branch of the facial nerve

A

Posterior auricular

51
Q

Name this branch of the facial nerve

A

Temporal

52
Q

Name this branch of the facial nerve

A

Zygomatic

53
Q

Name this branch of the facial nerve

A

Buccal

54
Q

Name this branch of the facial nerve

A

Mandibular

55
Q

Name this branch of the facial nerve

A

Cervical

56
Q

Name this artery

A

Right internal carotid artery

57
Q

Name this artery

A

Right common carotid artery

58
Q

Name this artery

A

Right external carotid artery

59
Q

Name this artery

A

Facial artery

60
Q

Describe the pathway the facial artery takes from the right external carotid artery 5

A

Deep to mandible
Across Inferior border of mandible onto face
Corner of the mouth
Corner of the nose
Medial corner of the eye

61
Q

How do u differentiate between the facial artery and the facial vein?

A

Facial artery is torturous rout (very wiggly)
Facial vein is straight

62
Q

The common facial vein drains into what?

A

Internal jugular vein

63
Q

Describe the pathways of the facial vein 5

A

Medial Corner of eye
Corner of nose
Corner of mouth
Over the lower border of the mandible
Drain into internal jugular vein

64
Q

Name this structure

A

Cavernous sinus

65
Q

Name these veins

A

Superior and inferior ophthalmic veins

66
Q

Name this vein

A

Facial vein

67
Q

Name this vein

A

Deep facial vein

68
Q

Name this vein

A

Common facial vein

69
Q

Name this vein

A

Internal jugular vein

70
Q

Name this structure

A

Pterygoid venous plexus

71
Q

Superficial lymphatics follow what?

A

Veins

72
Q

Deep lymphatics follow what?

A

Arteries

73
Q

Superficial and deep lymphatics drain to ?

A

Deep cervical lymph nodes

74
Q

Look at this overview

A
75
Q

What is a dermatome?

A

Is the area of skin supplied by the sensory fibres of a specific somatic spinal nerve

76
Q

On the dermatome map the area of the nipple is supplied by what spinal nerve?

A

T4

77
Q

On the dermatome map the area of the umbilicus is supplied by what spinal nerve?

A

T10

78
Q

What is the sensory nerve supply to the face? 2

A

Great auricular nerve C2&3

Trigeminal nerve CN V

79
Q

The great auricular nerve supplies what?

A

Corner of mandible

80
Q

Which division of the Trigeminal nerve supplies this area of the face?

A

Ophthalmic division -V1/a

81
Q

Which division of the Trigeminal nerve supplies this area of the face?

A

Maxillary division -V2/b

82
Q

Which division of the Trigeminal nerve supplies this area of the face?

A

Mandibular division - V3/c

83
Q

How are the 3 divisions of the Trigeminal nerve not identical?

A

Some branches of V3/c contain motor fibres as well as sensory fibres

84
Q

What is the main branch of the ophthalmic division of the Trigeminal nerve CNV1/a

A

Supra-orbital nerve

85
Q

Name this branch of CNV1

A

Lacrimal nerve

86
Q

Name this branch of CNV1

A

Supraorbital nerve

87
Q

Name this branch of CNV1

A

Supra-Trochlear nerve

88
Q

Name this branch of CNV1

A

Infra-Trochlear nerve

89
Q

Name this branch of CNV1

A

External nasal nerve

90
Q

What is the main nerve branch of the maxillary division of CNV?

A

Infra-orbital nerve

91
Q

Name this branch of CNV2

A

Infra-orbital nerve

92
Q

Name this branch of CNV2

A

Zygomatico-temporal

93
Q

Name this branch of CNV2

A

Zygomatico-facial nerve

94
Q

What is the main branch of the mandibular division of CNV?

A

Mental nerve

95
Q

Name this branch of CNV3

A

Auriculo-temporal nerve

96
Q

Name this branch of CNV3

A

Long buccal nerve

97
Q

Name this branch of CNV3

A

Mental nerve

98
Q

Name the foraminae and the nerve that comes out of them

A

Supra-orbital foraminae

Supra-orbital nerve

99
Q

Name the foraminae and the nerve that comes out of them

A

Zygomaticofacial Foramen

Zygomatico- facial nerves

100
Q

Name the foraminae and the nerve that comes out of them

A

Mental foraminae

Mental nerves

101
Q

Name the foraminae and the nerve that comes out of them

A

Infra-orbital foraminae

Infra-orbital nerves

102
Q

Look at this overview diagram of the sensory nerve supply to the face

A

2 Anatomy (7 decks)

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