lumbar puncture
noun
: 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
Until now, diagnosing Alzheimer’s has often relied on costly and invasive tools like a PET scan or lumbar puncture.
—
Joshua P. Cohen, Forbes.com, 2 June 2025
The dura can be damaged from head injuries or punctured during surgical procedures involving the sinuses, brain or spine, such as lumbar puncture, epidurals, spinal anesthesia or myelogram.
—Danielle Wilhour, The Conversation, 28 May 2025
To make a more definitive diagnosis, a healthcare team will drain some of the cerebrospinal fluid using a procedure called a spinal tap (lumbar puncture).
—Emily Kay Votruba, EverydayHealth.com, 27 May 2025
The next test is usually a lumbar puncture, or spinal tap, in which doctors insert a needle into the spinal canal to collect some spinal fluid.
—Sydney Lupkin, NPR, 24 May 2025
See All Example Sentences for lumbar puncture
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Joshua P. Cohen, Forbes.com, 2 June 2025
The dura can be damaged from head injuries or punctured during surgical procedures involving the sinuses, brain or spine, such as lumbar puncture, epidurals, spinal anesthesia or myelogram.
—Danielle Wilhour, The Conversation, 28 May 2025
To make a more definitive diagnosis, a healthcare team will drain some of the cerebrospinal fluid using a procedure called a spinal tap (lumbar puncture).
—Emily Kay Votruba, EverydayHealth.com, 27 May 2025
The next test is usually a lumbar puncture, or spinal tap, in which doctors insert a needle into the spinal canal to collect some spinal fluid.
—Sydney Lupkin, NPR, 24 May 2025
See All Example Sentences for lumbar puncture
Cite this Entry
“Lumbar puncture.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lumbar%20puncture. Accessed 6 Oct. 2025.
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