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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
At the same time, the contraction increased the volume of the perivascular spaces around the blood vessels, which were immediately filled with the cerebrospinal fluid.
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Ars Technica, 20 Jan. 2025
When the vessels clench after a pulse of norepinephrine, cerebrospinal fluid moves in to fill the gap.
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Bymitch Leslie, science.org, 8 Jan. 2025
Previous studies have detected this protein biomarker not only in cerebrospinal fluid but also circulating in the bloodstream.
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William A. Haseltine, Forbes, 25 Oct. 2024
And More—Had Homes Destroyed Along With Historic Landmarks The research also revealed intriguing changes in cerebrospinal fluid volumes.
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William A. Haseltine, Forbes, 10 Jan. 2025
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Word History
First Known Use
1828, in the meaning defined above
Time Traveler
The first known use of cerebrospinal fluid was
in 1828
Dictionary Entries Near cerebrospinal fluid
Cite this Entry
“Cerebrospinal fluid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cerebrospinal%20fluid. Accessed 18 Feb. 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 lymphMore from Merriam-Webster on cerebrospinal fluid
Britannica.com: Encyclopedia article about cerebrospinal fluid
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