Lumbar puncture is an analysis of the cerebrospinal fluid, which helps in the diagnosis of many diseases.
The brain is covered with three shells - hard, spider and soft. The space between the spider and soft shell is filled with cerebrospinal (spinal) fluid, or liquor. It is associated with a similar space surrounding the spinal cord.
What is lumbar puncture?
Cerebrospinal fluid freely circulates between the spinal cord and the brain, while performing a number of important functions: