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Question

What is the sequence of three layers of the brain from outside to inside?

A
Dura mater- arachnoid- pia mater
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B
Pia mater- dura mater- arachnoid
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C
Arachnoid- duramater-pia mater
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D
Duramatere- pia mateer- arachnoid
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Solution

The correct option is A Dura mater- arachnoid- pia mater
The human brain is well protected by the skull. Inside the skull, the brain is covered by cranial meninges consisting of an outer layer called dura mater, a very thin middle layer called arachnoid and an inner layer (which is in contact with the brain tissue) called pia mater. Hence the sequence of three layers of the brain from outside to inside is Dura mater-arachnoid mater-pia mater.
So, the correct option is 'Dura mater-arachnoid-pia mater'.

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