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CNS neuroglia

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


most abundant, makes BBB and provide nutrients to neurons


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


make myelin


increase impulse, insulate


PNS, surround neuron cell bodies within ganglia


PNS, surround axon, make myelin


cable like organs in the PNS

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