| Health / Medical Topics |
Murine Neuroglia
The non-neuronal cells of the nervous system. They are divided into macroglia (ASTROCYTES, OLIGODENDROGLIA, and SCHWANN CELLS) and MICROGLIA. They not only provide physical support, but also respond to injury, regulate the ionic and chemical composition of the extracellular milieu, participate in the blood-brain and blood-retina barriers, form the myelin insulation of nervous pathways, guide neuronal migration during development, and exchange metabolites with neurons. Neuroglia have high-affinity transmitter uptake systems, voltage-dependent and transmitter-gated ion channels, and can release transmitters, but their role in signaling (as in many other functions) is unclear. (NLM, Medical Subject Headings)
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