What are three meninges or membranes of brain?

Explanation

To answer the question about the three meninges or membranes of the brain, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Understanding Meninges**: The meninges are three protective membranes that cover the brain and spinal cord. They serve to protect these vital structures and provide a supportive environment.

2. **Identifying the Layers**:
- **Pia Mater**: This is the innermost layer of the meninges. It is delicate and closely adheres to the surface of the brain, following its contours. It contains blood vessels that supply nutrients to the brain.
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