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Cerebrospinal fluid

The CSF system: The four ventricles make CSF and send it into the subarachnoid space. CSF (shown in blue) surrounds the brain and spinal cord.
The layers of the meninges. CSF flows through the subarachnoid space - the space between the dura mater and the arachnoid layer

Cerebrospinal fluid (CSF) bathes and protects the central nervous system (the brain and the spinal cord). "Cerebro" means "brain"; "spinal" is a short version of "spinal cord"; and fluid is a liquid.

CSF is made by networks of blood vessels called choriod plexuses in each of the brain's four ventricles.[1]

CSF flows through the subarachnoid space – the space between the two layers of meninges that are closest to the brain (the arachnoid layer and the pia mater). CSF also fills the brain's ventricles, and flows down the middle of the spinal cord (the central canal).[2]

  1. ↑ Chuder, Eric H. "The Ventricular System and CSF (Cerebrospinal Fluid)". faculty.washington.edu. National Center for Research Resources. {{cite web}}: Missing or empty |url= (help)
  2. ↑ Cite error: The named reference tb was used but no text was provided for refs named (see the help page).
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