Osteology of the Base of the Skull Flashcards

1
Q

What lobes does the anterior cranial fossa contain?

A

The frontal lobes

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2
Q

What lobes does the middle cranial fossa contain?

A

The temporal and parietal lobes of the brain

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3
Q

What lobes does the posterior cranial fossa contain?

A

The cerebellum, brainstem and the occipital lobe

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4
Q

What bones is the anterior cranial fossa made up of?

A

The frontal bone
Ethmoid bone (cribiform plate and crista galli)
Lesser wing of the sphenoid bone

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5
Q

What bones/foramen/canals is the middle cranial fossa made up of?

A

Superior orbital fissure
Optic canal
Greater wing and the body of the sphenoid
Temporal bones (petrous is the hardest part)
Pituitary fossa (Sella Turcicia)
Foramen rotundum
Foramen ovale
Foramen spinosum

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6
Q

What bones/foramen/canals is the posterior cranial fossa made up of?

A

Occipital bone
Foramen magnum
Hypoglossal canal
Internal acoustic meatus (internal auditory meatus)

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