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.

Origin of lumbar puncture

1
First recorded in 1890–95
  • Also called spinal tap.

Words Nearby lumbar puncture

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How to use lumbar puncture in a sentence

British Dictionary definitions for lumbar puncture

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for lumbar puncture

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.

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