Glossary
The following are terms to know in alphabetical order (not in an order that you should learn these concepts)
Central Nervous System (CNS)
A division of the nervous system that is comprised of the Brain and Spinal Cord.
CerebroSpinal Fluid (CSF)
A Fluid that bathes the brain and spinal cord. It acts as a shock absorber and caries nutrients to nervous system cells and waste away from them. It is renewed by the body by volume about 4-5 times a day. It is separated from other bodily fluids by the Blood Brain Barrier (BBB).
Milieu
Another term for "Environment", as in cellular environment / cellular Milieu
Peripheral Nervous System (PNS)
A division of the nervous system, composed of nerves that branch out from the CNS (like out of the spinal cord). Basically anything part of the nervous system that isn't the Brain or Spinal Cord themselves.