CSF is obtained from space between
Arachnoid and piamater CSF It is a clear colorless bodily fluid produced in the choroid plexus of the brain It 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. It constitutes the content of the ventricles, cisterns, and sulci of the brain, as well as the central canal of the spinal cord.
Dura and arachnoidmater
Dura and pia mater
Arachnoid and pia mater
None of the above