yes
cerebrospinal fluid is contained in the ventricles of the brain that act as a shock absorber to protect the brain. OH YEAH!
isn't in the brain. it's around the brain. Here is a better answer to your question. http://www.upright-health.com/cerebrospinal-fluid.html It most immediatley leaves the brain from the arachnoid...
Cerebrospinal fluid (CSF) analysis is a set of laboratory tests that examine a sample of the fluid surrounding the brain and spinal cord.
meninges