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Your cerebrospinal fluid has been examined.

Cerebrospinal fluid is a clear fluid that is formed in the brain. There are cavities with cerebrospinal fluid in the brain, around the brain and around the spinal cord. Among other things, the cerebrospinal fluid cushions the brain and spinal cord during knocks and also nourishes the brain cells.

The brain and the cerebrospinal fluid require adequate space. The space is restricted by the hard cranial bone and the vertebral canal. The vertebral canal is part of the spinal column and is made up of the bones of the vertebral body. The spinal cord lies in the vertebral canal. There is a particular pressure inside the skull and the vertebral canal.

A needle has been inserted into your back, between your vertebral bodies, at lumbar spine level. A fluid was injected via the needle into the cerebrospinal fluid. A measurement was then taken of how the pressure in the spinal column changed through the fluid being added. An observation was also made of how quickly the body absorbed the fluid.