The three membranes that cover and protect the brain and spinal cord are collectively called the
- A. meninges
- B. ventricles
- C. choroid plexuses
- D. myelin layers
Explanation
The dura, arachnoid and pia mater cushion the CNS and enclose the cerebrospinal fluid, and their infection causes meningitis. Ventricles are the fluid filled cavities inside the brain, not its coverings.
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