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spinal tap (SPY-nul ...)

 A procedure in which a thin needle called a spinal needle is put into the lower part of the spinal column to collect cerebrospinal fluid or to give drugs. Also called lumbar puncture.

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Lumbar puncture; drawing shows a patient lying in a curled position on a table and a spinal needle (a long, thin needle) being inserted into the lower back. Inset shows a close-up of the spinal needle inserted into the cerebrospinal fluid (CSF) in the lower part of the spinal column.




Previous Definitions:sphincter, spiculated mass, spinal column, spinal cord, spinal cord compression
Next Definitions:spindle cell cancer, spindle cell sarcoma, spine, spine cancer, spiral CT scan

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