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
Liam needed to be sedated so that doctors could do a lumbar puncture for a clear diagnosis.
—
Erika Edwards, NBC news, 2 Apr. 2026
But of course, this is a more elaborate procedure and thus more expensive than a routine bedside lumbar puncture.
—Paul Hsieh, Forbes.com, 31 Mar. 2026
Not eager to put the young girl through a lumbar puncture, the doctor instructed her parents to continue monitoring her and bring her to the emergency room at any sign of a fever or worsening headaches.
—Isabella Backman, Hartford Courant, 27 Jan. 2026
The new drug tofersen, also known by the brand name Qalsody, is administered by injection into the spinal cord through lumbar puncture to treat ALS patients.
—Mary Kekatos, ABC News, 22 Dec. 2025
See All Example Sentences for lumbar puncture
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Erika Edwards, NBC news, 2 Apr. 2026
But of course, this is a more elaborate procedure and thus more expensive than a routine bedside lumbar puncture.
—Paul Hsieh, Forbes.com, 31 Mar. 2026
Not eager to put the young girl through a lumbar puncture, the doctor instructed her parents to continue monitoring her and bring her to the emergency room at any sign of a fever or worsening headaches.
—Isabella Backman, Hartford Courant, 27 Jan. 2026
The new drug tofersen, also known by the brand name Qalsody, is administered by injection into the spinal cord through lumbar puncture to treat ALS patients.
—Mary Kekatos, ABC News, 22 Dec. 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 7 Apr. 2026.
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