You searched for: “neuroglia
neuroglia, glia
1. A class of cells in the brain and spinal cord that form a supporting structure for the neurons and provide them with insulation.
2. The delicate network of branched cells and fibers that supports the tissue of the central nervous system.
3. The supporting or non-neuronal tissue cells of the central and peripheral nervous system.

They perform the less specialized functions of the nerve network.