Meninges surrounding the brain of human from outside to inside are :

Options

A. Dura mater, arachnoid, pia mater
B. Pia mater, arachnoid, dura mater
C. Dura mater, pia mater, arachnoid
D. Pia mater, dura mater, arachnod

Answer

To answer the question about the meninges surrounding the human brain from outside to inside, we can follow these steps:

### Step 1: Identify the Meninges
The meninges are three protective membranes that cover the brain and spinal cord. They are essential for protecting the central nervous system.

### Step 2: List the Meninges in Order
The three layers of the meninges, from the outermost to the innermost, are:
1. **Dura Mater** - This is the tough, outermost layer that provides a protective covering.
2. **Arachnoid Mater** - This is the middle layer, which is web-like and contains cerebrospinal fluid that acts as a cushion for the brain.
3. **Pia Mater** - This is the delicate innermost layer that closely adheres to the surface of the brain.

### Step 3: Confirm the Arrangement
The correct arrangement of the meninges from outside to inside is:
- **Dura Mater** (outermost)
- **Arachnoid Mater** (middle)
- **Pia Mater** (innermost)

### Step 4: Check the Options
Given the options in the question:
1. Dura Mater, Arachnoid Mater, Pia Mater - This is the correct arrangement.
2. Pia Mater, Arachnoid Mater, Dura Mater - This is incorrect.
3. Dura Mater, Pia Mater, Arachnoid Mater - This is incorrect.
4. Pia Mater, Dura Mater, Arachnoid Mater - This is incorrect.

### Conclusion
The correct answer to the question is: **Dura Mater, Arachnoid Mater, Pia Mater**.

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