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B
Arachnoid and duramater
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C
Piamater and grey matter
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D
Grey matter and white matter
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Solution
The correct option is B Arachnoid and duramater The meninges are the coverings of the brain that are present interior to the cranium. The outermost layer is called the dura mater. The middle layer is the arachnoid mater. The pia mater is the innermost vascular layer. There is a space present between the dura mater and the arachnoid mater that is called the sub-dural space. It is filled with the serous fluid and provides mechanical support. The space between the arachnoid mater and the pia mater is called the sub-arachnoid space. It is filled with the cerebrospinal fluid.
Hence, the correct answer is 'Arachnoid and dura mater'