| Term 
 | Definition 
 
        | Lines brain ventricles and spinal cord. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Maintain blood-brain barrier. Provide structural support. Regulate the ion, nutrient and gas concentrations. Absorb and recycle neurotransmitters |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | myelenate the CNS axons, while providing structural support. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Remove cellular debris, wastes, pathogens. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Make the myelin in the PNS. Repair cells after injury. |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Surround the neuron cell bodies in ganglion. Regulates the nutrient and neurotransmitter levels around the neurons in a ganglia. |  | 
        |  |