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Muscles of Facial Expression > OINAS > Flashcards

OINAS Flashcards

1
Q

Orbicularis oris Location

A

Around mouth

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2
Q

Orbicularis oris Action

A

Compress lips against ant. teeth, close mouth, protrudes lips

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3
Q

Depressor anguli oris Location

A

Angle of mouth

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4
Q

Depressor anguli oris Action

A

Depresses angle of mouth

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5
Q

Levator anguli oris Location

A

Angle of mouth

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6
Q

Levator anguli oris Action

A

Elevates mouth

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7
Q

Risorius Location

A

Angle of mouth

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8
Q

Risorius Action

A

Draws angle of mouth laterally

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9
Q

Zygomatic major Location

A

angle of mouth

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10
Q

Zygomatic major action

A

Draws angle of mouth up and back

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11
Q

Depressor labii inferioris Location

A

lower lip

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12
Q

Depressor labii inferioris action

A

depresses lower lip

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13
Q

Levator labii superioris location

A

Alar cartilage and skin of nose; upper lip; nasolabial groove and upper lip

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14
Q

Levator labii superioris action

A

Elevates upper lips; flares nostrils

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15
Q

Mentalis location

A

Skin of chin

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16
Q

Mentalis action

A

Puckers skin of chin; protrudes lower lip

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17
Q

Nasalis location

A

lateral nasal cartilages; skin of margin of nostrils

18
Q

Nasalis action

A

Compresses nostrils; dilates or flares nostrils

19
Q

Orbicularis oculi- Orbital location

A

fibers encircle margins of orbit and insert into medial palpebral ligament

20
Q

Orbicularis oculi- Orbital action

A

Closes eyes forcefully

21
Q

Orbicularis oculi- Palpebral location

A

fibers arch laterally through lids and interdigitate laterally in raphe

22
Q

Orbicularis oculi- Palpebral action

A

closes eyes gently

23
Q

Orbicularis oculi- Lacrimal location

A

Lacrimal bone behind lacrimal sac

24
Q

Orbicularis oculi- Lacrimal action

A

Squeeze lubricating tears against eyeball

25
Q

Corrugator location

A

Skin underlying eyebrow

26
Q

Corrugator action

A

Vertical wrinkling of bridge of nose

27
Q

Frontalis location

A

Skin of forehead

28
Q

Frontalis action

A

Pulls scalp up and back

29
Q

Occipitalis location

A

Skin of occipital area

30
Q

Occipitalis action

A

Pulls scalp backward and forward along w/ occipitalis

31
Q

Procerus location

A

Skin of glabella

32
Q

Procerus action

A

Traverse wrinkling of bridge of nose

33
Q

Anterior auricular location

A

anterior medial aspect of helix of auricle

34
Q

Anterior auricular action

A

pulls ear forward

35
Q

Posterior auricular location

A

posterior medial aspect of auricle

36
Q

Posterior auricular action

A

pulls ear backward

37
Q

Superior auricular location

A

superior medial aspect of auricle

38
Q

Superior auricular action

A

pulls ear superiorly

39
Q

Buccinator origin

A

Pterygomandibular raphe & alveolar process of mandible and maxilla

40
Q

Buccinator insertion

A

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

41
Q

Buccinator action

A

Compresses cheek against molar teeth; sucking and blowing

Muscles of Facial Expression (1 decks)

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