Mimetic muscles Word Scramble
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Muscle | Origin | Insertion | Function |
M. Orbicularis oris -pars marginalis et pars labialis | Fibers arranged circularly | Fibers arranged circularly | Closes the lips; Protrudes lips forward (sucking shape) |
M. Levator anguli oris | Fossa canina | Skin at the angle of the mouth | Lifts the angle of the mouth |
M. Levator labii superioris | Margo infraorbitalis maxillae | Skin of the upper lip | Lifts the upper lip |
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) |
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) |
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 |
M. Depressor anguli oris | Basis mandibulae | Skin at the angle of the mouth | Pulls the angle of the mouth downward; Expression of sadness |
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 |
M. Mentalis | Proc. alveolaris | Skin of the chin | Produces the chin-lip furrow; Expression of doubt |
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gustafb82
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