LUMBAR PUNCTURE Definition & Meaning

lumbar puncture

noun

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

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

lumbar puncture

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.

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�y��vlog History and Origins

Origin of lumbar puncture¹

First recorded in 1890–95

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Example Sentences

Examples have not been reviewed.

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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It includes daily oral chemotherapy, monthly chemotherapy through her portacath - a small device that's under the skin to give long term access to a vein - and a lumbar puncture every three months.

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This is done either via a PET brain scan or by having a lumbar puncture.

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Mass General Brigham experts in neurosurgery, cancer and pathology worked together to develop a rapid, genotyping test that can detect key mutations associated with brain cancers from samples taken during a lumbar puncture.

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