Facial Muscles: Oris, Zygomatic, Buccinator & More

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Last updated 11:37 PM on 4/27/26
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11 Terms

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Orbicularis oris (Intrinsic)

in an orbis around the mouth. Reference orofacial muscle (i.e. others attach here)

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Levator anguli oris (Vertical)

lifts corners of mouth

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Depressor anguli oris (Vertical)

pulls corners of mouth down

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Mentalis (Vertical)

elevates chin

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Risorius (Transverse)

pulls mouth sideways

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Buccinator (Transverse)

pulls cheeks inwards & stabilizes them

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Levator labii superioris (Angular)

elevates lips

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Levator labii superioris alaeque nasi (Angular)

dilates nostrils

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Zygomatic major (Angular)

elevates and retracts angle of mouth

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Zygomatic minor (Angular)

elevates upper lip

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Depressor labii inferioris (Angular)

pulls lips down and laterall