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Gross Anatomy Exam 3 > MUSCLES OF MASTICATION > Flashcards

MUSCLES OF MASTICATION Flashcards

1
Q

Masseter DEEP HEAD ORIGIN

A

zygomatic arch post. 1/3

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2
Q

Masseter INSERTION

A

Mandibular angle

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3
Q

Masseter INNERVATION

A

Mandibular N CN V3

via masteric N

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4
Q

Masseter ACTION

A

elevates (adducts) & protrudes mandible

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5
Q

Temporalis ORIGIN

A

temporal fossa (inf. temporal line)

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6
Q

Temporalis INSERTION

A

coronoid process of mandible

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7
Q

Temporalis INNERVATION

A

mandibular N (CN V3) via deep temporal N

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8
Q

Temporalis ACTION

A

vertial fibers: adduct mandible
horizontal fibers: retract mandible
unilateral fibers: lateral movements of mandible

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9
Q

Lateral Pterygoid Superficial Head ORIGIN

A

greater wing of sphenoid bone

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10
Q

lateral pterygoid Superficial head INSERTION

A

TMJ joint (articular disc)

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11
Q

Lateral Ptyergoid Inferior Head ORIGIN

A

lateral pterygoid plate

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12
Q

Lateral Pterygoid Inferior Head INSERTION

A

mandible (condylar process)

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13
Q

Lateral Pterygoid INNERVATION

A

mandibular N (CN V3)- via lateral pterygoid N

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14
Q

Lateral Pterygoid ACTION

A

bilateral: protrudes mandible
unilateral: lateral movements of mandible

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15
Q

Medial Pterygoid Superifical Head ORIGIN

A

maxilla (tuberosity)

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16
Q

Medial Pterygoidd Deep Head ORIGIN

A

medial sruface of lateral pterygoid plate an dpterygoid fossa

17
Q

Medial Pterygoid INSERTION

A

pterygoid tuberosiy on medial surface of mandibular angle

18
Q

Medial ptergoid INNERVATION

A

mandibular N CN V3- via medial pterygoid N

19
Q

Medial Pterygoid ACTION

A

elevates (adducts) mandible

20
Q

Masseter Superficial Head ORIGIN

A

zygomatic arch (ant. 2/3)

Gross Anatomy Exam 3 (8 decks)

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