mening/o, meningi/o (11/20)

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mening/o or meningi/o is a combining form that refers to “meninges”.

The meninges are three layers of membranes covering and protecting the brain and spinal cord (the central nervous system). The dura mater is the outer layer, closest to the skull. The arachnoid mater is the middle layer. The pia mater is the inner layer, located closest to brain tissue.