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Neuroglial cells9

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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