lumbar puncture


Definition of lumbar puncture

: puncture of the subarachnoid space in the lumbar region of the spinal cord to withdraw cerebrospinal fluid or inject anesthetic drugs

Examples of lumbar puncture in a Sentence

Recent Examples on the Web The lumbar puncture did not go smoothly, with multiple attempts needed in order to access my CSF. Jodi Ettenberg, CNN, 29 Jan. 2022 The days-long hospital stay might include invasive testing such as a lumbar puncture, which is costly, uncomfortable for the child and family, and may turn out to be ultimately unnecessary. Stephanie Emma Pfeffer,, 19 July 2021 Ayah also gets alternative medicine via a lumbar puncture every few months, which her mother described as similar to the epidural women get when having a baby. Faith Karimi, CNN, 31 Mar. 2021 That month, Jaden finally underwent several blood tests, including one for diabetes, which came back negative, and a lumbar puncture. Joelle Goldstein,, 28 Aug. 2020 Doctors often need to perform a lumbar puncture, otherwise known as spinal tap, to sample spinal fluid and look for signs of inflammation and abnormal antibodies. Aarti Sarwal, The Conversation, 7 July 2020 After the test, she was transferred back to the Royal Oak campus and admitted to the pediatric ICU for sedation and a series of tests, including a lumbar puncture. Stephanie Toone, ajc, 20 Apr. 2020 Skylar was then admitted to the pediatric ICU at the hospital -- located in a northern suburb of Detroit, Mich., -- where she was given a lumbar puncture and the family learned of her meningitis condition. Fox News, 20 Apr. 2020 But Bennett thought that delivering them directly to the cerebrospinal fluid via lumbar puncture might work. Lydia Denworth, Scientific American, 3 Mar. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lumbar puncture.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of lumbar puncture

1895, in the meaning defined above

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Time Traveler for lumbar puncture

Time Traveler

The first known use of lumbar puncture was in 1895

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Cite this Entry

“Lumbar puncture.” Dictionary, Merriam-Webster, Accessed 25 May. 2022.

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More Definitions for lumbar puncture

lumbar puncture


Medical Definition of lumbar puncture

: puncture of the subarachnoid space in the lumbar region of the spinal cord to withdraw cerebrospinal fluid or inject anesthetic drugs

called also spinal tap

More from Merriam-Webster on lumbar puncture Encyclopedia article about lumbar puncture


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