Meninges - formed in the choroid plexuses and circulates...

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Meninges The meninges (Figure 2–3) are three connective tissue membranes enclosing the brain and the spinal cord. Their functions are to protect the CNS and blood vessels, enclose the venous sinuses , retain the cerebrospinal fluid , and form partitions within the skull. The outermost meninx is the dura mater, which encloses the arachnoid mater and the innermost pia mater .
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Cerebrospinal fluid Cerebrospinal fluid (CSF) is a watery liquid similar in composition to blood plasma. It is
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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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Meninges - formed in the choroid plexuses and circulates...

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