Cerebrospinal fluid (CSF) is a clear bodily fluid that cushions and protects your brain and spinal cord. A CSF protein test involves taking a fluid sample from your spinal column using a needle. This ...
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 ...