cerebrospinal fluid

noun

: a colorless liquid that is comparable to serum, is secreted from the blood into the lateral ventricles of the brain, and serves chiefly to maintain uniform pressure within the brain and spinal cord

Examples of cerebrospinal fluid in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
View 1 Images Researchers at the University of Pittsburgh have devised a biomarker test that can spot small amounts of clumping tau protein in the brain and cerebrospinal fluid, which lead to Alzheimer's disease. New Atlas, 15 Feb. 2025 Once that was done, the team put fluorescent tags in the mice’s blood, cerebrospinal fluid, and on the norepinephrine hormone. Ars Technica, 20 Jan. 2025 This surgery can alleviate symptoms like headaches and improve the flow of cerebrospinal fluid. David Faris, Newsweek, 18 Jan. 2025 Rasmussen hopes that, in the long term, being able to observe changes in an individual’s cerebrospinal fluid could minimize this guesswork and lead to personalized solutions. Matthew Ponsford, WIRED, 19 Sep. 2024 See All Example Sentences for cerebrospinal fluid

Word History

First Known Use

1828, in the meaning defined above

Time Traveler
The first known use of cerebrospinal fluid was in 1828

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Cite this Entry

“Cerebrospinal fluid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cerebrospinal%20fluid. Accessed 7 Mar. 2025.

Kids Definition

cerebrospinal fluid

noun
ce·​re·​bro·​spi·​nal fluid
sə-ˌrē-brō-ˌspīn-ᵊl-
: a colorless fluid that occupies the cavities of the brain and spinal cord and the space between these and the membranes surrounding them

Medical Definition

cerebrospinal fluid

noun
: a liquid that is comparable to serum but contains less dissolved material, that is secreted from the blood into the lateral ventricles of the brain by the choroid plexus, circulates through the ventricles to the spaces between the meninges about the brain and spinal cord, and is resorbed into the blood through the subarachnoid sinuses, and that serves chiefly to maintain uniform pressure within the brain and spinal cord

called also spinal fluid

compare lymph

More from Merriam-Webster on cerebrospinal fluid

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