单词	cerebrospinal fluid
释义	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 Example Sentences Recent Examples on the Web The test uses a needle to extract cerebrospinal fluid — a clear fluid that flows around the brain and spinal cord — then analyzes it using a polymerase chain reaction (PCR) machine, the same technology used to identify COVID-19. Caroline Catherman, Orlando Sentinel, 1 Sep. 2022 The test to confirm a parechovirus diagnosis detects the DNA of the virus in cerebrospinal fluid, which requires a lumbar puncture, often known as a spinal tap. Stephanie Innes, The Arizona Republic, 13 Aug. 2022 Tests are done through blood, respiratory secretions, fecal matter or cerebrospinal fluid. Stephanie Emma Pfeffer, PEOPLE.com, 14 July 2022 Physicians can now use tests of blood and cerebrospinal fluid to measure brain amyloid levels in people experiencing early signs of mild cognitive impairment or dementia. Howard M. Fillit, STAT, 8 June 2022 This brain region produces, circulates and stores cerebrospinal fluid, which protects, supplies nutrients to and removes waste products from the brain. Kevin Zeng, The Conversation, 15 Mar. 2022 Next, the scientists set out to check whether the prolonged surge of cytokine levels in the cerebrospinal fluid correlated with any noticeable changes in the brain. William A. Haseltine, Forbes, 1 Aug. 2022 One 2011 study found that there is also another springy structure in the back of the skull called a hyloid, which could work in concert with cerebrospinal fluid to further suppress vibrations. Jennifer Ouellette, Ars Technica, 15 July 2022 Despite the mild, essentially asymptomatic infection, all of the mice displayed elevated proinflammatory cytokine and chemokine levels, both in the blood and in cerebrospinal fluid. William A. Haseltine, Forbes, 1 Aug. 2022 See More Word History First Known Use 1828, in the meaning defined above 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
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