CSF collection is a procedure to obtain a specimen of cerebrospinal fluid (CSF). CSF is the fluid that bathes, cushions, and protects the brain and spinal cord. It flows through the skull and spine in the subarachnoid space, which is the area internal to the arachnoid membrane.

Alternative Names

Spinal tap; Ventricular puncture; Lumbar puncture; Cisternal puncture; Collecting a spinal fluid specimen