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CNS neuroglia

make up 1/2 of the brain's mass, can divide

astrocytes

most abundant, makes BBB and provide nutrients to neurons

Microglia

smallest and least abundant, phagocytes, derived from monocytes, engulfs microorganisms

Ependymal cells

ine the ventricular cavities and are ciliated and aid in circulation of CSF

Oligodendrocytes

make myelin

myelin

increase impulse, insulate

Satellite

PNS, surround neuron cell bodies within ganglia

Schwann

PNS, surround axon, make myelin

Nerves

cable like organs in the PNS

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