Skip to main content

Introduction to Glial Cells for Non-Specialists

Difficulty level

This lecture gives an introduction to the types of glial cells, homeostasis (influence of cerebral blood flow and influence on neurons), insulation and protection of axons (myelin sheath; nodes of Ranvier), microglia and reactions of the CNS to injury.

Topics covered in this lesson
  • The multiple supporting functions of glial cells
  • Ependymal cells and their functions
  • Astrocytes and their functions
  • Fibrous astrocytes
  • Microglia
  • Astrocytes in the metabolism of neurotransmitters
  • Oligodendrocytes and myelination
  • Schwann cells and myelination in the periferal nervous system