Question

what are meninges and it's three layers

Answer 1

The meninges are three layers of protective tissue called the dura mater, arachnoid mater, and pia mater that surround the neuraxis. The meninges of the brain and spinal cord are continuous, being linked through the magnum foramen

Answer 2

in the space between the delicate nervous system and its bony covering are the protected layer called the meninges 
types 
1. dura mater
2.Arachnoid mater
3.Pia mater