Mimetic muscles in the region of the mouth
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| M. Orbicularis oris -pars marginalis et pars labialis | Fibers arranged circularly | Fibers arranged circularly | Closes the lips; Protrudes lips forward (sucking shape)
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| M. Levator anguli oris | Fossa canina | Skin at the angle of the mouth | Lifts the angle of the mouth
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| M. Levator labii superioris | Margo infraorbitalis maxillae | Skin of the upper lip | Lifts the upper lip
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| M. Zygomaticus major et minor | Os zygomaticum | Skin at the angle of the mouth | Lifts the angle of the mouth upward and laterally; Expression of pleasure (laughing muscle)
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| M. Risorius | Fascia masseterica | Skin at the angle of the mouth | Pulls the angle of the mouth laterally; Produces the nasolabial folds; Expression of pleasure (laughing muscle)
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| M. Buccinator | Proc. alveolaris maxillae et mandibulae; Raphe pterygomandibularis | Skin at the angle of the mouth | Pulls the angle of the mouth laterally; Compresses the cheeks; Expression of satisfaction
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| M. Depressor anguli oris | Basis mandibulae | Skin at the angle of the mouth | Pulls the angle of the mouth downward; Expression of sadness
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| M. Depressor labii inferioris | Basis mandibulae | Skin of the upper lip | Pulls the angle of the mouth and the lower lip downward; Expression of preserverance
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| M. Mentalis | Proc. alveolaris | Skin of the chin | Produces the chin-lip furrow; Expression of doubt
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