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Functions of the Neuroglia

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Functions of the Neuroglia

In this article we will discuss about the functions of the neuroglia

Functions of the Neuroglia

  • 90% of the central nervous system is made up of neuroglia.
  • The neuroglia or glial cells support neurons physically and metabolically.
  • They act as insulators between neurons.
  • Provide nourishment to the neurons
  • Help in regeneration of neurons
  • There are different types of neuroglia: astrocytes, Oligodendrocytes, microglia and ependymal cells.
  • Astrocytes cover the capillaries of the brain to form the blood barrier and help regulate passage of molecules from blood to the brain.
  • Oligodendrocytes from myelin sheath around the central axons produce the white matter of the central nervous system.
  • Microglia are phagocytic amoeboid cells in the central nervous system that remove foreign and degenerate material from the brain.
  • Ependyma line the ventricles or brain cavities and central canal of the spinal cord
  • Schwann cells surround axons of all peripheral nerve fibres, and form the myelin sheath.
  • The neurons in the nervous tissue also act as the seat of experiences and memories , etc.

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