Muscles 2a Facial muscles (lab)

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    Frontalis

    O Galea aponeurotica

    I Skin of forehead

    A Raise eyebrow
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    Obicularis Oculi

    O Orbit

    I Eyelids

    A Close eye
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    Orbicularis Oris

    O Skin around mouth

    I Lips

    A Close and protrude lip
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    Mentalis

    O Mandible

    I Skin of chin

    A Elevate and protrude lips, as in pouting
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    Risorius

    O Deep fascia of cheek

    I Modiolus of mouth (corner)

    A Draw mouth laterally (laugh)
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    Platsyma (not on models)

    O Fascia of deltoid

    I Mandible

    A draws mouth downward (horror)
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    Buccinator

    O Alveolar process of maxilla and mandible

    I Orbicularis oris

    A Compresses cheek (blowing)
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    Masseter

    O Zygomatic arch

    I Mandible

    A Elevates mandible
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    Temporalis (deep to other things)

    O Parietal bone

    I mandible

    A Elevates mandible
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    Digastric, Anterior and Posterior bellies

    O Mandible, mastoid process

    I Hyoid bone

    A Opens mouth widely
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    Stylohyoid

    O Styloid process of temporal bone

    I hyoid bone

    A Elevates hyoid
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    Omohyoid

    O Superior border scapula

    I Hyoid bone

    A Depresses hyoid after elevation
Author
ID
269556
Card Set
Muscles 2a Facial muscles (lab)
Description
facial expression muscles
Updated
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