Last Updated on Apr 02, 2018


Cerebrospinal fluid (CSF): A clear colorless fluid that fills the ventricles of the brain and the central canal of the spinal cord.

Meninges: The three membranes that cover and protect the brain and spinal cord.

Lumbar puncture: A procedure in which a needle is put into the lower part of the spinal column to collect cerebrospinal fluid or to give anticancer drugs intrathecally. Also called a spinal tap.

Hydrocephalus: The abnormal buildup of cerebrospinal fluid in the ventricles of the brain.

Edema: The accumulation of fluid in any part of the body.

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