What are the meninges composed of?

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Multiple Choice

What are the meninges composed of?

Explanation:
Meninges are three protective membranes that surround the brain and spinal cord: the outer dura mater, the middle arachnoid mater (often called the arachnoid membrane), and the inner pia mater. These layers provide a layered protective cover, with a space between the arachnoid and pia called the subarachnoid space that contains cerebrospinal fluid. The choroid plexus is not a meningeal layer; it’s a structure within the brain’s ventricles that produces CSF. The cerebral cortex is neural tissue, not a meningeal layer. So the meninges are composed of dura mater, arachnoid membrane, and pia mater.

Meninges are three protective membranes that surround the brain and spinal cord: the outer dura mater, the middle arachnoid mater (often called the arachnoid membrane), and the inner pia mater. These layers provide a layered protective cover, with a space between the arachnoid and pia called the subarachnoid space that contains cerebrospinal fluid. The choroid plexus is not a meningeal layer; it’s a structure within the brain’s ventricles that produces CSF. The cerebral cortex is neural tissue, not a meningeal layer. So the meninges are composed of dura mater, arachnoid membrane, and pia mater.

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