This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
CSF is obtained from space between 
Select and explain. 
A. Dura and arachnoidmater, B. Dura and pia mater, C. Arachnoid and pia mater, D. None of the above
C: Arachnoid and pia mater
Answer: C: Arachnoid and pia mater 
Explanation: 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.