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.
- Also called spinal tap.
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How to use lumbar puncture in a sentence
Examination of the fluid obtained by lumbar puncture is of value in diagnosis of certain forms of meningitis.A Manual of Clinical Diagnosis | James Campbell Todd
lumbar puncture should always be performed as an aid to diagnosis.
lumbar puncture, venesection, or the application of leeches over the temple or behind the ear may be employed with benefit.
Examination of the fluid withdrawn by lumbar puncture may furnish useful information (p. 338).
lumbar puncture may reveal the presence of blood corpuscles in the cerebro-spinal fluid, and increase in the tension of the fluid.
British Dictionary definitions for lumbar puncture
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
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.