in Neural Control and Coordination (Nervous System) by

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  1. Cerebrospinal fluid is a plasma-like fluid that fills the cavities of the CNS and surrounds the CNS externally.
  2. It maintains uniform pressure within the brain and spinal cord.
  3. The ventricle of the brain and the central canal of the spinal cord contain, a clear fluid similar to plasma called cerebrospinal fluid (CSF).
  4. CSF is formed by a structure called the choroid plexus located inside the four ventricles.
  5. In human the volume of cerebrospinal fluid is estimated to be 150 ml and approximately 600–700 mL of CSF is produced daily.
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