Lab Practical II Actions Flashcards

1
Q

Frontalis Belly, Epicranius

A
  • Pulls scalp forward

* wrinkles forehead and raises eyebrows

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2
Q

Occipitalis Belly, Epicranius

A

*Pulls scalp backward

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3
Q

Procerus

A

*Depress eyebrows medially

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4
Q

Compressor Naris

A

*Compress cartilage at bridge of nose

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5
Q

Dilatator Naris

A

*Widens, dilates nostrils and anterior nasal aperture

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6
Q

Depressor Septi

A

*Widens nostril

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7
Q

Corrugator Supercilii

A

*Draws eyebrow medial and down

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8
Q

Levator Labii Superioris

A

*Raises and everts upper lip

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9
Q

Levator Labii Superioris Alaeque Nasi

A
  • Raises and everts upper lip

* Dilates nostril

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10
Q

Zygomaticus Major

A

*Draws angle of mouth up and out

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11
Q

Zygomaticus Minor

A
  • Raises upper lip

* Produces nasolabial groove

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12
Q

Levator Anguli Oris

A
  • Raises angle of mouth

* Produces nasolabial groove

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13
Q

Orbicularis Oris

A
  • Close mouth

* Purse and Protrude lips

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14
Q

Risorius

A

*Draws back angle of mouth

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15
Q

Mentalis

A

*Raises and protrudes lower lip

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16
Q

Depressor Labii Inferioris

A

*Draws lower lip down

17
Q

Depressor Anguli Oris

A

*Draws corner of mouth down and out

18
Q

Levator Palpebra Superioris

A

*Elevates upper eyelid

19
Q

Superior Rectus

A

*Elevate and adduct the cornea; intorsion

20
Q

Inferior Rectus

A

*Depress and adduct the cornea; extorsion

21
Q

Medial Rectus

A

*Adducts cornea

22
Q

Lateral Rectus

A

*Abducts cornea

23
Q

Superior Oblique

A

*Depress and abduct the cornea; intorsion

24
Q

Inferior Oblique

A

*Elevate and abduct the cornea; extorsion

25
Q

Temporalis

A

*Elevate and retract mandible

26
Q

Masseter

A

*Elevate and protract mandible

27
Q

Medial Pterygoid

A
  • Elevate and protract mandible

* Assists in gliding or rotatory movement

28
Q

Lateral Pterygoid

A
  • Protracts mandible
  • Pulls disc forward
  • Depress chin
  • Assist in gliding or rotatory movement