The correct option is
D All of the above
- Neuroglia, are non-neuronal cells in the central nervous system (brain and spinal cord) and the peripheral nervous system.
- They maintain homeostasis, form myelin, and provide support and protection for neurons.
- Neuroglia is also called as glial cells. There are six types of neuroglia—four in the central nervous system and two in the PNS.
- Neuroglia in the CNS include astrocytes, microglial cells, ependymal cells and oligodendrocytes. Hence, neuroglia cells are Astrocytes, oligodendrocytes microglia.
So, the correct answer is 'all the above'.