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Nervous system diagram courtesy of Wikimedia Commons

Classifying Nervous Tissue

The nervous system is anatomically divided in two parts:
  • Central nervous system (CNS) - Consists of the brain and spinal cord.
  • Peripheral nervous system (PNS) - Consists of all other nervous tissue.
Histologically, tissue in the nervous system is made up of cells and cell processes. Cells consist of neurons and neuroglia (also known as glial cells). Cell processes consist of axons and dendrites.