Brain in the cranium Flashcards

1
Q

What bones make up the neurocranium

A

frontal ethmoidal sphenoidal and occipital + pairs of temporal and parietal

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2
Q

What bones make up the viscerocranium

A

mandible and vomer and pairs of maxillae, inferior nasal conchae, zygomatic, placater, nasal and lacrimal

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3
Q

What are the two parts of the cranium

A

neuro- and viscero-cranium

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4
Q

What are the three layers of the meninges of the brain outside to inside

A

dura, arachnoid, and pia

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5
Q

What is the largest artery supplying the meninges of the brain

A

the middle meningeal artery

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6
Q

Where does the middle meningeal artery come from

A

its a branch of the maxillary artery, which is a terminal branch of the external carotid artery

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7
Q

Where does the middle meningeal artery run through?

A

foramen spinosum

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8
Q

What is the arterial supply of the dura mater

A

middle meningeal artery

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9
Q

where is the skull the thinnest

A

pterion

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10
Q

where is CSF formed

A

in the ventricles from the chorioid plexus

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11
Q

Where does CSF exit ventricular circulation

A

via openings in the roof of the 4th ventricle into subarachnoid space (cisterna magna)

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12
Q

What is another term for the subarachnoid space

A

cisterna magna

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13
Q

where is CSF reabsorbed

A

via arachnoid granulations into the systemic veins

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14
Q

What is the source of the middle meningeal artery

A

The maxillary artery, a terminal branch of the external carotid

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