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Unformatted text preview: formed in the choroid plexuses and circulates through the ventricles into the subarachnoid space , where it is returned to the dural venous sinuses by the arachnoid villi . The prime purpose of the CSF is to support and cushion the brain and help nourish it. Figure 24 illustrates the flow of CSF through the central nervous system....
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- Fall '10