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what is the correct order of protective meninges from skull to brain. dura mater, arachnoid mater,...

what is the correct order of protective meninges from skull to brain.

dura mater, arachnoid mater, pia mater

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Answer #1

The correct order of meninges from outer to inner are as follows

-Duramater mater

Arachanoid mater

Pia mater.

Duramater is derived from the ectomeninx and is closely attached to the periosteum and it gives infolds named

1 falx cerebri

2. Falx cerebelli

3.Tentorium cerebelli

4. Diaphragma sellae.

Arachanoid mater is avascular and is derived from the endomeninx.It is spread in the brain but not goes deeper into the fissure.

Piamater is derived from the endomeninx and it is closely adhere to the surface of brain tissue.It is highly vascularized and it penetrates the cerebral foldings.

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