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Glial Cells

Glial Cells

Nervous Tissue: Glial Cells

Nervous Tissue: Glial Cells

Glia, or neuroglia, are vital support cells that assist neurons in their functions. The term "glia" originates from the Greek word for "glue," reflecting their role in holding the nervous system together. These cells can be categorized into six types: four in the central nervous system (CNS) and two in the peripheral nervous system (PNS).
The CNS glial cell includes the astrocytes, the oligodendrocytes, the microglia, and the ependymal cells.
Astrocytes are star-shaped glial cells that interact...

Neurogenesis and Regeneration of Nervous Tissue

Neurogenesis and Regeneration of Nervous Tissue

In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...

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Related Experiment Video

Updated: May 12, 2026

Dissection and Isolation of Murine Glia from Multiple Central Nervous System Regions

Dissection and Isolation of Murine Glia from Multiple Central Nervous System Regions

Published on: June 4, 2020

Editorial: Expanding the glial frontiers: development, function and pathophysiology

Dong Won Kim^1,2

¹Danish Research Institute of Translational Neuroscience (DANDRITE), Nordic European Molecular Biology Laboratory, Partnership for Molecular Medicine, Aarhus University, Aarhus, Denmark.

Frontiers in Cellular Neuroscience

|May 11, 2026

Summary

No abstract available in PubMed .

Keywords:

cell differentiation (glial development)energy metabolism (glial metabolism)myelination and remyelination neuroglia neuroglial cell plasticity

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