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CMM401/501 Unit 3 Cards > Face - Muscles > Flashcards

Face - Muscles Flashcards

1
Q

What is this structure?

A

Temporalis

Temporalis

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2
Q

Origin?

A
  • Temporal bone
  • Frontal bone
  • Parietal bone

Temporalis

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3
Q

Insertion?

A

Coronoid process of mandible

Temporalis

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4
Q

Innervation?

A

CN V3

Temporalis

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5
Q

Function?

A

Elevates mandible to close jaw

Temporalis

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6
Q

What is this structure?

A

Masseter

Masseter

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7
Q

Origin?

A

Zygomatic process of temporal and zygomatic bone

Masseter

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8
Q

Insertion?

A

Lateral surface of mandible

Masseter

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9
Q

Innervation?

A

CN V3

Masseter

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10
Q

Function?

A

Elevates mandible to close jaw

Masseter

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11
Q

What is this structure?

A

Buccinator

Buccinator

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12
Q

Origin?

A
  • Mandible
  • Maxilla

Buccinator

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13
Q

Insertion?

A

Lateral angle of mouth

Buccinator

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14
Q

What is this structure?

A

Orbicularis oris

Orbicularis oris

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15
Q

What is this structure?

A

Muscles of facial expression

Muscles of facial expression

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16
Q

What is this structure?

A

Platysma

Platysma

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17
Q

What is this structure?

A

Medial pterygoid

Medial pterygoid

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18
Q

What is this structure?

A

Orbicularis oculi

Orbicularis oculi

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19
Q

What is this structure?

A

Lateral pterygoid

Lateral pterygoid

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20
Q

What is this structure?

A

Frontalis

Frontalis

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21
Q

Innervation?

A

CN VII

Buccinator

22
Q

Function?

A

Tightens cheek

Buccinator

23
Q

Origin?

A

Pterygoid processes of:
* Sphenoid
* Palatine
* Maxilla

Medial pterygoid

24
Q

Insertion?

A

Medial surface of mandible

Medial pterygoid

25
Q

Innervation?

A

CN V3

Medial pterygoid

26
Q

Function?

A
  • Elevates mandible to close jaw
  • Small grinding movement to aid chewing

Medial pterygoid

27
Q

Origin?

A
  • Greater wing of sphenoid
  • Pterygoid processes

Lateral pterygoid

28
Q

Insertion?

A
  • Joint capsule of temporomandibular joint
  • Neck of condyloid process of mandible

Lateral pterygoid

29
Q

Innervation?

A

CN V3

Lateral pterygoid

30
Q

Function?

A
  • Protracts mandible and depresses chin to to open jaw
  • Moves jaw back and forth to aid chewing

Lateral pterygoid

31
Q

Origin?

A

Aponeurosis of scalp

Frontalis

32
Q

Insertion?

A

Skin of forehead

Frontalis

33
Q

Innervation?

A

CN VII (Facial)

Frontalis

34
Q

Function?

A
  • Elevates eyebrows
  • Furrows brow

Frontalis

35
Q

Origin?

A

Margin of orbit

Orbicularis oculi

36
Q

Insertion?

A

Skin around:
* Orbit
* Eyelids

Orbicularis oculi

37
Q

Innervation?

A

CN VII (Facial)

Orbicularis oculi

38
Q

Function?

A

Closes eyelids, winking, squinting

Orbicularis oculi

39
Q

Origin?

A
  • Maxilla and mandible
  • Skin around mouth

Orbicularis oris

40
Q

Insertion?

A

Skin/mucous membrane of lips

Orbicularis oris

41
Q

Innervation?

A

CN VII (Facial)

Orbicularis oris

42
Q

Function?

A

Closes lips, protrudes lips, moves lips

Orbicularis oris

43
Q

Origin?

A

Varied- Different bones and skin around face

Muscles of facial expression

44
Q

Insertion?

A

Skin of face

Muscles of facial expression

45
Q

Innervation?

A

CN VII (Facial)

Muscles of facial expression

46
Q

Function?

A

Various facial expressions

Muscles of facial expression

47
Q

Origin?

A

Skin near clavicle

Platysma

48
Q

Insertion?

A

Skin near mandible, lower lip

Platysma

49
Q

Innervation?

A

CN VII (Facial)

Platysma

50
Q

Function?

A

Tenses skin of inferior face/neck

Platysma

CMM401/501 Unit 3 Cards (5 decks)

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