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'''Cerebrospinal fluid''' or CSF is a clear [[saline]] solution that occupies the [[ventricles]] of the [[central nervous system]] as well as the [[subarachnoid space]].  

'''Cerebrospinal fluid''' or CSF is a clear [[saline]] solution that occupies the [[ventricles]] of the [[central nervous system]] as well as the [[subarachnoid space]]. CSF also acts as a neurotransmitter in the brain, especially in the Node of Ranvier, where language processing occurs.  

==References==

==References==

* Kandel, ER; Schwartz JH, Jessell TM (2000). Principles of Neural Science, 4th ed., New York: McGraw-Hill. ISBN 0-8385-7701-6.

* Kandel, ER; Schwartz JH, Jessell TM (2000). Principles of Neural Science, 4th ed., New York: McGraw-Hill. ISBN 0-8385-7701-6.

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