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vertebrobasilar system

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vertebrobasilar system (verˈ·t·brō·bāˑ·z·ler sisˑ·tm),
n the three blood vessels—the two vertebral arteries and one basilar artery—located towards the back of the brain that provide about 20% of the intracranial blood supply. Also called
posterior circulation.
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Vertebrobasilar system.


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On the base of the brain the carotid and vertebrobasilar systems anastomose by means of communicating branches to form the circle of Willis.
The MRA of the vertebrobasilar system was unremarkable without any area of stenosis or vasospasm (Figure 2).
This is followed by description of arterial wall imaging, endothelial function testing, and assessment of atherosclerotic occlusion and stenosis in the carotid and vertebrobasilar systems.
 
 
 
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