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CSF

American

Physiology.

cerebrospinal fluid.

CSF British

abbreviation

physiol cerebrospinal fluid
immunol colony-stimulating factor

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In participants without MS, these immune cells appeared in similar numbers in both the blood and CSF.

From Science Daily • Feb. 6, 2026

The team used a specialized version of fMRI that could track both blood oxygen levels and the movement of CSF in and out of the brain.

From Science Daily • Jan. 20, 2026

During sleep, CSF helps flush out waste that builds up during waking hours.

From Science Daily • Jan. 20, 2026

Since then she feels she's been given her life back, and has become a trustee of the CSF Leak Association.

From BBC • Dec. 27, 2025

She was rushed to a hospital in Malta's capital, Valletta, and after ruling out meningitis or a brain hemorrhage, doctors began to suspect she might have a very rare condition known as a CSF leak.

From BBC • Dec. 27, 2025

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023