This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brain , Subject name: Anatomy
[{'content': 'Linea splendens is a modification of? \nSelect and explain. \nA. Endosteal duramater, B. Meningeal duramater, C. Pia mater, D. Arachnoid mater', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The pia gives off a septum into the anterior median fissure and where this process is given off, the pia mater presents a thickening called linea splendens. (Ref: vishram Singh textbook of clinical neuroanatomy second edition pg 53)', 'role': 'assistant'}]