Neural Tissue

Nervous (neural) tissue exerts the greatest degree of control over how the body responds to changing internal and external conditions — it is the tissue of communication and coordination. Its functional unit is the neuron, an excitable cell capable of generating and conducting an electrical signal. Neurons are supported and protected by a second population of cells, the neuroglia, which make up more than half of the total volume of neural tissue in the body even though they do not themselves conduct signals. …