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Anatomy Exam 3 > Muscles of the Face > Flashcards

Muscles of the Face Flashcards

(70 cards)

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1
Q

Frontalis origin

A

Skin of eyebrows

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2
Q

Frontalis insertion

A

Galea aponeurotica

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3
Q

Frontalis innervation

A

Facial n. (CN VII)- temporal branch

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4
Q

Frontalis blood supply

A

Supraorbital a.

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5
Q

Frontalis actions

A
  • wrinkles forehead

- raises eyebrows

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6
Q

Orbicularis oculi origin

A
  • frontal bone
  • maxilla
  • lacrimal bone
  • medial palpebral ligament
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7
Q

Orbicularis oculi insertion

A
  • lateral palpebral raphe

- superior and inferior tarsi medial

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8
Q

Orbicularis oculi innervation

A

Facial n. (CN VII)

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9
Q

Orbicularis oculi blood supply

A

Ophthalmic a.

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10
Q

Orbicularis oculi action

A

Closes eyelids gently and forcefully

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11
Q

Nasalis origin

A

Maxilla

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12
Q

Nasalis insertion

A
  • thin aponeurosis on bridge of nose
  • nasalis on opposite side
  • greater alar cartilage
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13
Q

Nasalis innervation

A

Facial n. (CN VII)

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14
Q

Nasalis blood supply

A

Superior labial a.

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15
Q

Nasalis actions

A
  • compress nasal aperture

- draw cartilage downward and laterally opening nostrils

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16
Q

Levator labii superioris alaeque nasi origin

A

Frontal process of maxilla

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17
Q

Levator labii superioris alaeque nasi insertion

A
  • alar cartilage of nose

- upper lip

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18
Q

Levator labii superioris alaeque nasi innervation

A

Facial n. (CN VII)- buccal branch

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19
Q

Levator labii superioris alaeque nasi blood supply

A

Facial a.

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20
Q

Levator labii superioris alaeque nasi action

A
  • Raises upper lip

- opens nostril

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21
Q

Zygomaticus major origin

A

Posterior part of lateral surface of zygomatic bone

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22
Q

Zygomaticus major insertion

A

Skin at corner of mouth

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23
Q

Zygomaticus major innervation

A

Facial n. (CN VII)- zygomatic branch

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24
Q

Zygomaticus major blood supply

A

Facial a.

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25
Zygomaticus major action
Draw angle of mouth laterally and upward
26
Zygomaticus minor origin
Anterior part of lateral surface of zygomatic bone
27
Zygomaticus minor insertion
Upper lip just medial to corner of mouth
28
Zygomaticus minor innervation
Facial n. (CN VII)- zygomatic branch
29
Zygomaticus minor blood supply
Facial a.
30
Zygomaticus minor actions
Draws upper lip upward
31
Levator labii superioris origin
Infraorbital margin of maxilla
32
Levator labii superioris insertion
Skin of upper lateral half of upper lip
33
Levator labii superioris innervation
Facial n. (CN VII)- buccal branch
34
Levator labii superioris blood supply
Facial a.
35
Levator labii superioris action
- Raises upper lip | - helps form nasolabial furrow
36
Depressor labii inferioris origin
Anterior part of oblique line of mandible
37
Depressor labii inferioris insertion
Lower lip at midline
38
Depressor labii inferioris innervation
Facial n. (CN VII)- marginal mandibular branch
39
Depressor labii inferioris blood supply
Facial a.
40
Depressor labii inferioris action
Draws lower lip downward and laterally
41
Orbicularis oris origin
- Fibers from surrounding facial mm. | - maxilla and mandible at midline
42
Orbicularis oris insertion
Forms ellipse around mouth
43
Orbicularis oris innervation
Facial n. (CN VII)- buccal branch
44
Orbicularis oris blood supply
Superior and inferior labial aa.
45
Orbicularis oris actions
Closes and protrudes lips
46
Levator anguli oris origin
Maxilla below infraorbital foramen
47
Levator anguli oris insertion
Skin at corner of the mouth
48
Levator anguli oris innervation
Facial n. (CN VII)- buccal branch
49
Levator anguli oris blood supply
Facial a.
50
Levator anguli oris action
- Raises angle of mouth | - helps form nasolabial furrow
51
Depressor anguli oris origin
Oblique line of mandible below canine, pre molar, and 1st molar
52
Depressor anguli oris insertion
Skin at corner of mouth
53
Depressor anguli oris innervation
Facial n. (CN VII)- mandibular branch
54
Depressor anguli oris blood supply
Facial a.
55
Depressor anguli oris action
Draws angle of mouth downward and laterally
56
Mentalis origin
Mandible inferior to incisors
57
Mentalis insertion
Skin of chin
58
Mentalis innervation
Facial n. (CN VII)- mandibular branch
59
Mentalis blood supply
Facial a.
60
Mentalis action
- raises and protrudes lower lip | - wrinkles skin on chin
61
Buccinator origin
- Posterior parts of maxilla and mandible | - pterygomandibular raphe
62
Buccinator insertion
Orbicularis oris
63
Buccinator innervation
Facial n. (CN VII)- buccal branch
64
Buccinator blood supply
Facial a.
65
Buccinator action
- Presses cheeks against teeth | - compresses distended cheeks
66
Masseter origin
- Zygomatic arch | - maxillary process of zygomatic bone
67
Masseter insertion
Lateral surface of ramus of mandible
68
Masseter innervation
Masseteric n. from V3
69
Masseter blood supply
Masseteric a.
70
Masseter action
Elevates mandible

Anatomy Exam 3 (2 decks)

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