spinal-tap

spinal tap

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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.
Also called spinal tap.


Origin:
1890–95

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
lumbar puncture
 
n
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 10th Edition
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American Heritage
Medical Dictionary

lumbar puncture n.
Puncture into the subarachnoid space of the lumbar region for diagnostic or therapeutic purposes. Also called rachicentesis, rachiocentesis, spinal puncture, spinal tap.

spinal tap n.
See lumbar puncture.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
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.
spinal tap  
See lumbar puncture.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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