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MSC 241 - Facial Muscles

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Question
Answer
Buccinator Muscle   Compresses the cheek, retracts angle of mouth, draws corner of mouth laterally. Assists in mastication. Trumpeter  
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Corrugator Muscle   Draws the eyebrows inferiorly and medially. Wrinkles skin of forehead. Frowning  
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Depressor Angulus Oris/Triangularis Muscle   Depresses angle of mouth. Draws angle of mouth laterally & inferiorly. Open mouth  
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Depressor Labii Inferioris/Quadratus Muscle   Draws inferior lip inferiorly and slightly laterally  
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Diagastricus Muscle   Draws hyoid bone anteriorly & posteriorly. Elevates hyoid bone and depresses mandible, Open mouth  
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Levator Anguli Oris   Elevates angle of mouth. Draws angle of mouth laterally & superiorly.  
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Levator Labii Superioris Alaeque Nasi Muscle   Elevates the superior lip, dilates the nostrils.  
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Levator Labii Superioris Muscle   Elevates and extends superior lip  
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Levator Palpebrae Superioris Muscle   Raises the superior eyelid. Open eye  
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Masseter Muscle   Closes mandible; mastication. Close mouth  
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Mentalis Muscle   Elevates and protrudes the inferior lip, wrinkles the skin over the chin. Pouting  
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Occipitofrontalis Muscle   Epicranius; draws the scalp posteriorly and anteriorly and raises the eyebrows. Surprise  
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Orbicularis Oculi Muscle   Closes the eyelid; compresses the lacrimal sac. Crying  
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Orbicularis Oris Muscle   Closes & protudes the lips. Kissing  
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Platysma Muscle   Wrinkles the skin of the neck and chest, depresses the mandible and inferior lip. Pouting  
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Procerus Muscle   Draws the skin of the forehead inferiorly. Concentrating  
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Quadratus Labii Superioris Muscle   Raises the wings of the nose, deepens the nasolabial sulcus.  
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Risorius Muscle   Draws the angle of the mouth anteriorly & laterally. Grimacing  
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Sternocleidomastoid/SCM Muscle   Rotates and depresses the head. Nodding  
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Temporalis Muscle   Closes the mandible; mastication and is the strongest chewing muscle.  
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Zygomaticus Major Muscle   Draws the superior lip posteriorly, superiorily, and anteriorly. Smiling  
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Zygomaticus Minor Muscle   Draws superior lip superiorly and anteriorly. Raises upper lip, exposes teeth. Dog growling  
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Created by: coqui5049
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