topography of brain Flashcards

1
Q

brainstem elements

A

midbrain
pons
medulla

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2
Q

white matter

A

myelinated axons

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3
Q

grey matter

A

neuronal cell bodies

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4
Q

ventricles

A

2x lateral venticles
III ventricle
cerebral aqueduct
IV ventricle

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5
Q

where are lateral ventricles

A

cerebral hemispheres

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6
Q

where is III ventricle

A

diencephalon

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7
Q

where is cerebral aqueduct

A

midbrain

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8
Q

where is IV ventricle

A

between pons + medulla and cerebellum

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9
Q

what is CSF formed by

A

choroid plexus in each ventricle

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10
Q

what is CSF absorbed by

A

arachnoid villi into sagittal sinus

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11
Q

blood supply to brain

A

2x internal carotid arteries

2x vertebral arteries

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12
Q

branches of ICA supplying brain

A

anterior cerebral artery
middle cerebral artery
pos communicating artery

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13
Q

where does ant cerebral artery supply

A

medial aspect cerebral hemispheres

excluding occipital lobe

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14
Q

what does middle cerebral artery supply

A

lateral aspect cerebral hemispheres

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15
Q

what does posterior cerebral hemisphere supply

A

inferior aspect cerebral hemispheres and occipital lobe

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16
Q

what structures pass through cavernous sinus

A
ICU 
occulomotor nerve
trochlear nerve 
opthalmic nerve 
maxillary nerve 
abducens nerve
17
Q

diencephalon

A

thalamus and hypothalamus