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cerebrospinal fluid

American  

noun

Physiology.
  1. the fluid in the ventricles of the brain, between the arachnoid and pia mater, and surrounding the spinal cord.


cerebrospinal fluid British  

noun

  1.  CSF.  the clear colourless fluid in the spaces inside and around the spinal cord and brain

"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

cerebrospinal fluid Scientific  
/ sĕr′ə-brō-spīnəl,sə-rē′brō- /
  1. The clear fluid that fills the cavities of the brain and covers the surfaces of the brain and spinal cord. It lubricates the tissues and cushions them from shock and injury.


Etymology

Origin of cerebrospinal fluid

First recorded in 1895–1900

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.

One important function of sleep involves cerebrospinal fluid, which surrounds and cushions the brain.

From Science Daily

All the volunteers will have the current gold-standard tests for Alzheimer's which involve a specialised brain PET scan using a radioactive tracer, or a lumbar puncture to remove a sample of cerebrospinal fluid.

From BBC

She's holding a container of ice-cold, artificial cerebrospinal fluid, which mimics the liquid that bathes the brain and spinal cord.

From BBC

In healthy individuals, a network called the glymphatic system circulates cerebrospinal fluid through spaces around arteries into brain tissue.

From Science Daily

Previously, the only way to confirm Alzheimer's was by specialist PET brain scans and lumbar punctures to extract cerebrospinal fluid.

From BBC