Muscles of the Head Flashcards

1
Q

Buccinator*

A

A: Compress cheek
O: mandible, maxillae
I: orbicularis oris muscle

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2
Q

Depressor anguli oris

A

A: Moves corners of mouth inferiorly and laterally

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3
Q

Depressor labii inferioris

A

A: Moves lower lip inferiorly

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4
Q

Levator anguli oris

A

A: Moves corners of mouth superiorly and laterally

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5
Q

Levator labii superioris

A

A: Opens lips, raises and furrows the upper lip

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6
Q

/Masseter*

A

A: Elevates and protracts mandible
O: Zygomatic arch
I: Ramus and angle of mandible

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7
Q

Mentalis

A

A: Protrudes lower lip (pouting muscle)

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8
Q

Nasalis

A

A: Compresses bridge and depresses tip of nose

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9
Q

Occipitofrontalis (frontal belly)

A

A: Elevates eyebrows and wrinkles skin of forehead

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10
Q

Occipitofrontalis (occipital belly)

A

A: Retracts scalp

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11
Q

Orbicularis oculi

A

A: Closes eye, produces winking, blinking, squinting

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12
Q

Orbicularis oris

A

A: Compresses and purses lips (kissing muscle)

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13
Q

Platysma

A

A: Pulls lower lip inferiorly; tenses skin of neck

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14
Q

Procerus

A

A: Moves corners of lips laterally

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15
Q

Risorius

A

A: Moves corners of lips laterally

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16
Q

Temporalis*

A

A: Elevates and retracts mandible
O: Parietal bone
I: Coronoid process of mandible

17
Q

Zygomaticus major*

A

A: Elevates corners of mouth (smile muscle)
O: Zygomatic bone
I: Edge of mouth

18
Q

Zygomaticus minor*

A

A: Elevates corners of mouth (smile muscle)
O: Zygomatic bone
I: Superior lip