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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.
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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Word History and Origins
Origin of lumbar puncture1
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Example Sentences
Examination of the fluid obtained by lumbar puncture is of value in diagnosis of certain forms of meningitis.
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Examination of the fluid withdrawn by lumbar puncture may furnish useful information (p. 338).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.
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