This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Virchow-Robin&;s space is a pa of \nSelect and explain. \nA. Epidural space, B. Subdural space, C. Subarachnoid space, D. Fouh ventricle', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The piamater, together with a narrow extension of the subarachnoid space, accompanies the vessels deep into the brain tissue; this space is called the perivascular space, or Virchow-Robin&;s space', 'role': 'assistant'}]