lumbar puncture

noun

1. Medicine/Medical.,  puncture into the arachnoid membrane of the spinal cord, in the lumbar region, and withdrawal of spinal fluid, performed for diagnosis of the fluid, injection of dye for imaging, or administration of anesthesia or medication.

lumbar puncture

noun

1. med insertion of a hollow needle into the lower region of the spinal cord to withdraw cerebrospinal fluid, introduce drugs, etc

lumbar puncture

1. The insertion of a hollow needle beneath the arachnoid membrane of the spinal cord in the lumbar region to withdraw cerebrospinal fluid for diagnostic purposes or to administer medication.

Word History and Origins

Origin of lumbar puncture¹

First recorded in 1890–95

Example Sentences

Andrews added that she recently had to perform a lumbar puncture, an operation better known as a spinal tap, on a four-year-old, which she said is going to become more common as vaccination rates drop.

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Previously, the only way to confirm Alzheimer's was by specialist PET brain scans and lumbar punctures to extract cerebrospinal fluid.

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He received his first treatment through a lumbar puncture procedure at Altnagelvin Hospital in mid-August.

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Tests were carried out including a lumbar puncture and an MRI and probes were fitted to his scalp to monitor the seizures.

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Later, when Carolyn developed a sensitivity to a sedative used during her monthly lumbar punctures, her doctors switched to another medicine, and the company again denied payment, Austin said.

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