cranial bones Flashcards

1
Q

what is the only moveable bone in the cranium?

A

mandible

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2
Q

mental process
ramus
coronoid process
condyloid process

A

mandible

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3
Q

what is the “bat bone”?

A

sphenoid bone

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4
Q

which part of the oral cavity is a place of articulation and an articulator?

A

the velum

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5
Q

temporalis
masseter
internal (medial) pterygoid

A

mandibular elevators

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6
Q

what attaches above the level of the mandible?

A

mandibular elevators

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7
Q

origin: broadly across temporal bone
insertion: inferiorly on coronoid process and ramus of mandible

A

temporalis

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8
Q

which mandibular elevator suspends the mandible?

A

temporalis

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9
Q

origin: zygomatic arch
insertion: inferiorly on angle and lateral ramus of mandible

A

masseter

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10
Q

origin: lateral pterygoid plate
insertion: inferiorly on angle and medial ramus of mandible

A

internal (medial) pterygoid

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11
Q

the internal pterygoid and masseter make up the ______

A

mandibular sling

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12
Q

what does the mandibular sling do?

A

holds up the mandible

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13
Q

anterior belly of digastric
external (lateral) pterygoid
geniohyoid
mylohyoid

A

mandibular depressors

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14
Q

mandibular depressors attach ___ the level of the mandible

A

below

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15
Q

which mandibular depressor attaches about the level of the mandible?

A

external (lateral) pterygoid

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16
Q

origin: mandible
insertion: hyoid bone

A

anterior belly of digastric

17
Q

origin: sphenoid one
insertion: condyloid process of mandible

A

external (lateral) pterygoid

18
Q

origin: mandible
insertion: hyoid bone

A

geniohyoid

19
Q

origin: mandible
insertion: median raphe and hyoid bone

A

mylohoid

20
Q

the median raphe is _____

A

aponeurosis

21
Q

what does the external pterygoid do?

A

moves the condyloid forward

22
Q

segments made with elevated mandible (closed mouth)

A

consonants

23
Q

segments made with a depressed mandible (open mouth)

A

vowels