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Anatomy final exam > lecture 22 > Flashcards

lecture 22 Flashcards

1
Q

what are the three branches of CN V

A

ophthalmic nerve
maxillary nerve
mandibular nerve

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2
Q

what does the ophthalmic nerve travel through

A

superior orbital fissure

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3
Q

what does the maxillary nerve travel through

A

foramen rotundum

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4
Q

what does the mandibular nerve travel through

A

foramen ovale

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5
Q

masseter two heads

A

deep and superficial

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6
Q

action of masseter

A

protrude and elevate mandible

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7
Q

origin of masseter

A

zygomatic bone
zygomatic arch

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8
Q

insertion of masseter

A

ramus of mandible; angle and lateral surface

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9
Q

temporalis origin

A

temporalis (temporal fossa)

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10
Q

insertion of temporalis

A

coronoid process of mandible (apex and medial surface)

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11
Q

what are the two heads of the lateral pterygoid muscle

A

superior and inferior

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12
Q

what are the two heads of the medial pterygoid muscle

A

superficial and deep

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13
Q

superior head of lateral pterygoid muscle origin and insertion

A

greater wing of sphenoid bone

region of temporomandibular joint (neck of condyloid process of mandible)

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14
Q

inferior head of lateral pterygoid muscle insertion and origin

A

lateral surface of lateral pterygoid plate

region of temporomandibular joint (neck of condyloid process of mandible)

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15
Q

action of the lateral pterygoid muscles together

A

protrude mandible

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16
Q

when the lateral pterygoid muscles act alone and alternatively

A

they produce side to side movement

17
Q

deep head of the medial pterygoid muscle origin

A

medial surface of lateral pterygoid plate

18
Q

superficial head of the medial pterygoid muscle origin

A

tuberosity of the mandible

19
Q

insertion of the medial pterygoid muscle

A

medial surface of mandible

20
Q

action the superficial and deep medial pterygoid muscle produces

A

elevate and protrude mandible

21
Q

action of the medial pterygoid muscle when acting alone and alternatively

A

produce grinding motion

Anatomy final exam (7 decks)

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