1. The other two meningeal layers are the arachnoid mater and the pia mater . 2. The vessel is placed in the pia mater along the anterior median fissure. 3. The function of the pia mater is more simply visualized through these ordinary occurrences. 4. The cranial pia mater covers the surface of the brain. 5. The pia mater is closely attached to the spinal cord. 6. The space between the arachnoid and the underlying pia mater is called the subarachnoid space. 7. There is a subpial space underneath the pia mater that separates it from the glia limitans. 8. The pia mater is the innermost protective layer. 9. "Meningitis is a disease which causes inflammation of one or more of the three arachnoid and the pia mater . 10. The pia mater continues as an extension called the filum terminale, which anchors the spinal cord to the coccyx.
