SKULL Flashcards

1
Q

what is the neurocranium?

A

braincase. protects the brain and the cranial nerves

  • attachment for neck, pharyngeal, chewing muscles
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2
Q

what is the viscero/splanchnocranium

A

facial skeleton, support for face, sensory components, masticatory apparatus

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3
Q

what facial bones is the rostrum composed of

A
  • premaxilla
  • maxilla
  • palatine
  • nasal
  • lacrimal
  • portions of frontal and zygomatic
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4
Q

what facial bones compose the hard palate

A
  • premaxilla
  • maxilla
  • palatine
  • upper portions of the dental battery
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5
Q

what are the nasal conchae, contained within the nasal aperture (nasal choane)

A

thin, scroll-like bones that are covered w/ respiratory and nasal epithelia

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6
Q

what composes the zygomatic arch

A
  • the temporal process of the zygomatic bone and the zygomatic process of the temporal bone
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7
Q

what cranial nerves innervate extrinsic eye muscles

A

CN III (oculomotor)
CN IV (trochlear)
CN VI (abducens)

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8
Q

what are the 3 divisions of the trigeminal nerve (CN V)

A

V1 = opthalamic
V2 = maxillary
V3 = mandibular

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9
Q

what does CN VIII (vestibulocochlear) innervate

A

cochlea - hearing
Vestibular apparatus - balance and muscle coordination

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