Muscles Of Facial Expression Flashcards by Olivia Walsh

Q

Orbicularis oris action

A

Open and closes the lips

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Q

Buccinator what does it make the bulk up of ?

A

makes up the bulk of the cheek

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Q

Levator labii superioris action

A

Raises upper lip

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Q

Levator labii superioris alseque nasi

A

Elevates upper lip and wing of nose

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Q

Zygomaticus major action

A

Elevates angle upper lip and pulls laterally

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Q

Zygomatic minor action

A

pulls upper lip upward

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Q

Levator anguli oris action

A

Elevates angle of mouth (smiling)

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Q

Depressor anguli oris action

A

Pulls corner of lips down (sad face)

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Q

Depressor labii inferioris action

A

Depresses lower lip exposing mandibular incisors

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Q

Mentalis action

A

Elevates skin of chin
(Dimpling of chin)

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Q

Platysma action

A

Runs from neck to mouth

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Q

Risorius action

A

Pulls corner of lip laterally
(Dimple)

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Q

Frontallis action

A

Raising eyebrow

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Q

Origin of Levator anguli oris

A

Canine fossa of maxilla

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Q

Action of platysma muscle

A

Depresses mandible

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Q

Zygomatic minor and major origin

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A

Zygomatic bone

Q

what muscles are inserted into the obiculars oris

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A

buccinator, zygomatic major and levator anguli oris

Q

what is the mentalis inserted into

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A

skin on the chin