Page 9 - Parkinsons disease

3. Microglia: These are actually cells of the

immune system. These help clean out any

bacteria or other microorganisms as well as

dead tissue from around the neurons. Think of

them as a combination of housecleaner and

exterminator. They work to keep the

environment around the neurons clean and safe.

Microglia in green; Neurons in red

Source:By GerryShaw - Own work, CC BY-SA 3.0,
https://commons.wikimedia.org/w/index.php?curid=17504964

4. Ependymal cells: The neurons in the brain

are very fragile and need a very specific fluidic

environment in which to survive and prosper.

The fluid which surrounds the neurons in the

brain is called cerebrospinal fluid and it is the