Question: what are the six types of glial cells?
Answer: Neuroglia. There are six types of neuroglia—four in the central nervous system and two in the PNS. ... 
Astrocytes. Astrocytes are shaped like a star and are the most abundant glial cell in the CNS. ... 
Microglial Cells. ... 
Ependymal Cells. ... 
Oligodendrocytes. ... 
Satellite Cells. ... 
Schwann Cells. ... 
Neurons.