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Neuroglia and their functions

The 6 types of neuroglia and their functions
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Oligodendrocytes
bind CNS neurons together and insulate the axons
Schwann cells
insulate PNS neurons
Microglia
engage in phagocytosis to fight infection
Astrocytes
form the blood-brain barrier
Non-ciliated ependymal cells
secrete cerebrospinal fluid
Ciliated ependymal cells
move cerebrospinal fluid around so it stays homogeneous