'''Lumbar puncture''', also called '''spinal tap''', is a medical procedure where a physician extracts [[cerebrospinal fluid]] from a patient's spinal membrane in the lumbar (lower back) region. It is used mainly for laboratory analysis and for diagnosis, especially for diseases like [[meningitis]]. | '''Lumbar puncture''', also called '''spinal tap''', is a medical procedure where a physician extracts [[cerebrospinal fluid]] from a patient's spinal membrane in the lumbar (lower back) region. It is used mainly for laboratory analysis and for diagnosis, especially for diseases like [[meningitis]]. |