The brain and spinal cord are composed of neurons and neuroglia.
The central nervous system consists of the brain and spinal cord which is made of nervous tissue.
The nervous tissue comprises neuron and neuroglia cells. Neurons are cells that can transmit signals through action potential. There are three types of the neuronal present in the CNS. They are sensory neurons, motor neurons and interneurons.
The neuroglial cells are the supporting cells which possess many specialized functions to support, protect and nourish neurons.
There are six types of neuroglia cells present in the CNS. They are astrocytes, microglial cells, ependymal cells, oligodendrocytes, satellite cells and schwann cells.
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