Anatomy - Cadaver: Whole Brain and Blood Supply

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40 Terms

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cerebral cortex

knowt flashcard image
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arachnoid layer

-extra credit

<p>-extra credit</p>
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pia mater

-extra credit

-directly on brain

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arachnoid granulations

-extra credit

-along longitudinal fissure

<p>-extra credit</p><p>-along longitudinal fissure</p>
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longitudinal fissure

separates cerebral hemispheres

<p>separates cerebral hemispheres</p>
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lateral fissure

separates temporal lobe from frontal and parietal lobes

<p>separates temporal lobe from frontal and parietal lobes</p>
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central sulcus

will be pinned in sulcus

<p>will be pinned in sulcus</p>
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precentral gyrus

anterior to central sulcus

<p>anterior to central sulcus</p>
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postcentral gyrus

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cerebellum

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brainstem

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midbrain

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pons

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medulla

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mammillary bodies

-extra credit

<p>-extra credit</p>
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hypothalamus

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Circle of Willis

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vertebral arteries

-along brainstem

-either side of midbrain

<p>-along brainstem</p><p>-either side of midbrain</p>
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basilar artery

-where vertebral arteries join

-1 inch in length

-then bifurcates

<p>-where vertebral arteries join</p><p>-1 inch in length</p><p>-then bifurcates</p>
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posterior cerebral arteries

-the split of basilar artery

-reflect back along pons

<p>-the split of basilar artery</p><p>-reflect back along pons</p>
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posterior communicating artery

-comes off posterior cerebral arteries

-anteriorly to internal carotid

<p>-comes off posterior cerebral arteries</p><p>-anteriorly to internal carotid</p>
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internal carotid artery

posterior to optic chiasm

<p>posterior to optic chiasm</p>
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middle cerebral artery

-divers into lateral fissure

-splits from internal carotid arteries

<p>-divers into lateral fissure</p><p>-splits from internal carotid arteries</p>
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anterior cerebral arteries

-splits from internal carotids

-dives into longitudinal fissure

<p>-splits from internal carotids</p><p>-dives into longitudinal fissure</p>
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anterior communicating artery

-2 mm thick

-between anterior cerebral arteries

<p>-2 mm thick</p><p>-between anterior cerebral arteries</p>
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CN I: olfactory bulb

most anterior

<p>most anterior</p>
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CN I: olfactory tract

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CN II: optic nerve

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CN II: optic chiasm

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CN II: optic tract

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CN III: oculomotor nerve

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CN IV: trochlear nerve

-in fold off posterior midbrain

-very small fibers

-posterior to CN III

<p>-in fold off posterior midbrain</p><p>-very small fibers</p><p>-posterior to CN III</p>
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CN V: trigeminal nerve

-halfway down pons

-lateral pons

-WIDE

<p>-halfway down pons</p><p>-lateral pons</p><p>-WIDE</p>
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CN VI: abducens nerve

-midline/medial

-at pons-medulla junction

-(red string)

<p>-midline/medial</p><p>-at pons-medulla junction</p><p>-(red string)</p>
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CN VII: facial nerve

-lateral

-more anterior

<p>-lateral</p><p>-more anterior</p>
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CN VIII: -vestibulocochlear nerve

-pons-medulla junction

-lateral

-thicker

-looks like 2 in 1

<p>-pons-medulla junction</p><p>-lateral</p><p>-thicker</p><p>-looks like 2 in 1</p>
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CN IX: glossopharyngeal nerve

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CN X: vagus nerve

-fibers

-latera

-middle

<p>-fibers</p><p>-latera</p><p>-middle</p>
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CN XI: spinal accessory nerve

-arises from rootlets

-dives midline

<p>-arises from rootlets</p><p>-dives midline</p>
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CN XII: hypoglossal nerve

-fibers

-most posterior

-reflect vertebral artery

-between pyramid and olive of medulla

<p>-fibers</p><p>-most posterior</p><p>-reflect vertebral artery</p><p>-between pyramid and olive of medulla</p>