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Glial Cells

Glial Cells

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...

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...

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Related Experiment Video

Updated: Jul 11, 2025

Monitoring Astrocyte Reactivity and Proliferation in Vitro Under Ischemic-Like Conditions

Monitoring Astrocyte Reactivity and Proliferation in Vitro Under Ischemic-Like Conditions

Published on: October 21, 2017

Glial metabolism checkpoints memory

L Felipe Barros^1,2

¹Centro de Estudios Científicos-CECs, Valdivia, Chile. luis.barros@uss.cl.

Nature Metabolism

|November 6, 2023

Summary

No abstract available in PubMed .

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