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Anatomy II > Face muscles > Flashcards

Face muscles Flashcards

1
Q

What is the action of the buccinator?

A

compression of cheeks, pulls corner of mouth laterally

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2
Q

What is the innervation of the buccinator?

A

facial nerve

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3
Q

What is the action of the corrugator?

A

draws eyebrows together as in frowning

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4
Q

What is the innervation of the corrugator?

A

facial nerve

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5
Q

What is the action of the depressor anguli oris?

A

pulls angle of mouth downward and laterally

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6
Q

What is the innervation of the depressor anguli oris?

A

facial nerve

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7
Q

What muscle compresses the cheeks and pull the corner of the mouth laterally?

A

buccinator

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8
Q

What muscle draws the eyebrows together as in frowning?

A

corrugator

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9
Q

What muscle pulls the angle of the mouth downward and laterally?

A

depressor anguli oris

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10
Q

What is the action of the levator anguli oris?

A

pulls angle of mouth upward

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11
Q

What is the innervation of the levator anguli oris?

A

facial nerve

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12
Q

What muscle pulls the angle of the mouth upward?

A

levator anguli oris

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13
Q

What is the action of the levator labii superioris?

A

raises upper lip, dilates nostrils

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14
Q

What is the innervation of the levator labii superioris?

A

facial nerve

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15
Q

What is the action of the depressor labii inferioris?

A

pulls lower lip downward

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16
Q

What is the innervation of the depressor labii inferioris?

A

facial nerve

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17
Q

What muscle raises the upper lip and dilates the nostrils?

A

levator labii superioris

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18
Q

What muscles pulls the lower lip downward?

A

depressor labii inferioris

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19
Q

What is the action of the epicranius (frontalis, galea aponeurotica)?

A

raises eyebrows, wrinkles skin of forehead horizontally

20
Q

What is the innervation of the epicranius (frontalis, galea aponeurotica, occipitalis)?

A

facial nerve

21
Q

What is the action of the epicranius (occipitalis)?

A

draws scalp posteriorly

22
Q

What muscle raises the eyebrows and wrinkles the skin of the forehead horizontally?

A

epicranius (frontalis, galea aponeurotica)

23
Q

What muscle draws the scalp posteriorly?

A

epicranius (occipitalis)

24
Q

What is the action of the mentalis?

A

raises and protrudes lower lip, wrinkles chin

25
Q

What is the innervation of the mentalis?

A

facial nerve

26
Q

What muscle raises and protrudes the lower lip, wrinkles chin?

A

mentalis

27
Q

What is the action of the orbicularis oculi?

A

closes the eyelids and tightens skin of forehead

28
Q

What is the innervation of the orbicularis oculi?

A

facial nerve

29
Q

What muscle closes the eyelids and tightens the skin of the forehead?

A

orbicularis oculi

30
Q

What is the action of the orbicularis oris?

A

closes and protrudes the lips

31
Q

What is the innervation of the orbicularis oris?

A

facial nerve

32
Q

What muscle closes and protrudes the lips?

A

orbicularis oris

33
Q

What is the action of the platysma?

A

depresses mandible, draws angle of mouth downward, tightens and wrinkles skin of neck

34
Q

What is the innervation of the platysma?

A

facial nerve

35
Q

What muscle depresses the mandible, draws the angle of the mouth downward, tightens and wrinkles the skin of the neck?

A

platysma

36
Q

What is the action of the procerus?

A

wrinkles skin between eyebrows

37
Q

What is the innervation of the procerus?

A

facial nerve

38
Q

What muscle wrinkles the skin between the eyebrows?

A

procerus

39
Q

What is the action of the risorius?

A

pulls angle of mouth backwards laterally

40
Q

What is the innervation of the risorius?

A

facial nerve

41
Q

What muscle pulls the angle of the mouth backwards laterally?

A

risorius

42
Q

What is the action of the zygomaticus major/minor?

A

raise angle of mouth

43
Q

What is the innervation of the zygomaticus major/minor?

A

facial nerve

44
Q

What muscle raises the angle of the mouth?

A

zygomaticus major/minor

45
Q

Name all 14 face muscles.

A

buccinator, corrugator, platysma, risorius, procerus, zygomaticus major/minor, epicranius (frontalis, galea aponeurotica, occipitalis), levator anguli oris, depressor anguli oris, orbicularis oris, orbicularis oculi, levator labii superioris, depressor labii inferioris, mentalis

Anatomy II (12 decks)

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