![An illustration of the membranes that enclose the brain and spinal cord. The meninges include the periosteal and meningeal dura mater, the arachnoid mater and the pia mater. Arachnoid granulations protrude into An illustration of the membranes that enclose the brain and spinal cord. The meninges include the periosteal and meningeal dura mater, the arachnoid mater and the pia mater. Arachnoid granulations protrude into](https://c8.alamy.com/comp/G1560N/an-illustration-of-the-membranes-that-enclose-the-brain-and-spinal-G1560N.jpg)
An illustration of the membranes that enclose the brain and spinal cord. The meninges include the periosteal and meningeal dura mater, the arachnoid mater and the pia mater. Arachnoid granulations protrude into
![Neuroanatomy Online: Lab 2 (ƒ4) - External and Internal Anatomy of the Spinal Cord - Spinal Cord Meninges - Introduction Neuroanatomy Online: Lab 2 (ƒ4) - External and Internal Anatomy of the Spinal Cord - Spinal Cord Meninges - Introduction](https://nba.uth.tmc.edu/neuroanatomy/imgsSwfs/L04P06F1.png)
Neuroanatomy Online: Lab 2 (ƒ4) - External and Internal Anatomy of the Spinal Cord - Spinal Cord Meninges - Introduction
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