Meninges and Cerebrospinal Fluid
- The meninges are the membranes that envelop the brain and spinal cord of the central nervous system.
- Dura mater is a thick membrane that is the outermost of the three layers of the meninges that surround the brain and spinal cord.
- One of three protective membranes covering the brain and spinal cord, the arachnoid mater is interposed between the more superficial and much thicker dura mater and the deeper pia mater.
- Pia mater is the delicate innermost layer of the membranes surrounding the brain and spinal cord.
- Cerebrospinal fluid is a clear, colorless body fluid found in the brain and spine. It is produced in the choroid plexuses of the ventricles of the brain.
- The ventricular system is a set of four interconnected cavities in the brain, where the cerebrospinal fluid (CSF) is produced.
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