The innermost layer of meninges is called pia mater. It is thin, transparent and vascular. Between the arachnoid mater and the pia mater lies the subarachnoid space. It is filled with a fluid called Cerebro Spinal Fluid (CSF).
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The innermost layer of meninges is called pia mater. It is thin, transparent and vascular. Between the arachnoid mater and the pia mater lies the subarachnoid space. It is filled with a fluid called Cerebro Spinal Fluid (CSF).