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

After her death, CDC officials confirmed the presence of Naegleria fowleri in the woman's cerebrospinal fluid. —Alexis Simmerman, Austin American Statesman, 2 July 2025

The brain is composed of three primary components: brain tissue, blood, and cerebrospinal fluid. —Richard Menger Md Mpa, Forbes.com, 23 May 2025

This brain disorder is caused by the accumulation of too much cerebrospinal fluid in the brain’s ventricles, leading to a host of cognitive and physical problems, especially gait, coordination, and bladder control issues. —Jon Blistein, Rolling Stone, 23 May 2025

The brain disorder is caused by the accumulation of excessive cerebrospinal fluid in the brain’s ventricles, leading to a range of cognitive and physical problems, particularly issues with gait, coordination, and bladder control. —Althea Legaspi, Rolling Stone, 21 July 2025

Word History

First Known Use

1828, in the meaning defined above

Rhymes for cerebrospinal fluid

• druid

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