Question:
Outermost thick, vascular and fibrous meninx is ________ .
Outermost thick, vascular and fibrous meninx is ________ .
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The three meninges from outside in are dura, arachnoid and pia.
Updated On: Nov 12, 2026
- dura mater
- pia mater
- arachnoid mater
- grey matter
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
The brain and spinal cord are covered by three meninges: dura mater (outer), arachnoid mater (middle) and pia mater (inner).
Step 2: Identify the layer
The dura mater is thick, tough and fibrous. It carries blood vessels and sinuses and gives mechanical protection.
Step 3: Why the other options fail
The arachnoid is a thin web-like layer and the pia is a delicate layer attached to nervous tissue. Grey matter is nervous tissue, not a meninx.
Final Answer:
The outermost thick fibrous meninx is the dura mater. \[ \boxed{\text{(A) }\text{dura mater}} \]
The brain and spinal cord are covered by three meninges: dura mater (outer), arachnoid mater (middle) and pia mater (inner).
Step 2: Identify the layer
The dura mater is thick, tough and fibrous. It carries blood vessels and sinuses and gives mechanical protection.
Step 3: Why the other options fail
The arachnoid is a thin web-like layer and the pia is a delicate layer attached to nervous tissue. Grey matter is nervous tissue, not a meninx.
Final Answer:
The outermost thick fibrous meninx is the dura mater. \[ \boxed{\text{(A) }\text{dura mater}} \]
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