Muscles Of Skull Flashcards by Nick Murray | Brainscape

Q

Masseter Muscle
Function:

Origin:

Insertion:

A

Elevate mandible

Zygomatic Arch

Rami and Angle of Mandible

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Q

Temporalis Muscle
Function:

Origin:

Insertion:

A

Elevate and Retrude mandible

Temporal Fossa

Coronoid process, temporal crest

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Q

Medial Pterygoid Muscle
Function:

Origin:

Insertion:

A

Elevate mandible

Pterygoid Fossa (of Sphenoid)

Angle of Mandible

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Q

Lateral Pterygoid Muscle:
Function:

Origin:

Insertion:

A

Lateral mandible movement, protrusion, depression

Lateral Pterygoid Plate (of Sphenoid)

Pterygoid Fovea (of Condylar Process)

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Q

Elevation of mandible muscles

A

Masseters
Medial Pterygoid
Temporalis

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Q

Depression of mandible muscles

A

Supra- and infrahyoids

Lateral Pterygoids

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Q

Retrusion of mandible muscles

A

Temporalis

Suprahyoids

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Q

Protrusion of mandible muscles

A

Lateral pterygoids

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Q

Lateral excursion of mandible muscles

A

R lateral pterygoid moves mandible to the L; L moves to the R

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Q

Innervation of Muscles of Mastication

A

Trigeminal N -> Mandibular Branch

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