You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is CSF is except and explain in detail?
Cerebro spinal fluid

Clear colorless bodily fluid found in the brain and spine
Produced in the choroid plexus of the brain
Acts as a cushion or buffer for the cortex, providing a basic mechanical and immunological protection to the brain inside the skull
Serves a vital function in cerebral autoregulation of cerebral blood flow.
Occupies the subarachnoid space (the space between the arachnoid mater and the pia mater) and the ventricular system around and inside the brain and spinal cord.
Constitutes the content of the ventricles, cisterns, and sulci of the brain, and central canal of the spinal cord.

Circulation of CSF