CSF is made of water, proteins, sugar, ions and neurotransmitters. It is primarily produced by a network of cells called the choroid plexus, which is located in the brain’s ventricles, or cavities.

It is primarily produced by a network of cells called the choroid plexus, which is located in the brain’s ventricles, or cavities. The choroid plexus produces approximately 500 milliliters of ...

It is primarily produced by a network of cells called the choroid plexus, which is located in the brain’s ventricles, or cavities. Advertisement CSF has several critical functions. It protects ...