Forms myelin sheath around neuron in the PNS
Surround cell body; help to stabilize cell; found in PNS
"stars" of the brain; wrap their "feet" around blood vessels; Make up the blood brain barrier (BBB); maintains ion concentration; Controls what comes into the brain
Makes myelin sheath around nerve cells; insulation speeds up nerve impulses up to 100x faster
Immune cells; phagocytic; eat debris, virus/pathogens
Found in fluid filled ventricles of brain; produce cerebral spinal fluid
