The central nervous system (CNS) consists of the brain and spinal cord. Cerebrospinal fluid (CSF) is a clear, colorless liquid that surrounds and protects the CNS. It bathes the brain and spine in ...
A lumbar puncture is sometimes called a “spinal tap.” It’s a medical procedure that can involve collecting a sample of cerebrospinal fluid (CSF). CSF is the fluid that surrounds your spinal cord and ...
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