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7.2.2. Glia

Glia

The glial cells or glia are other cells of the smaller and that many nervous system neurons, which do not transmit nerve impulses, but serve as support to neurons, isolate them, defend them and nurture. Its role is fundamental, since neurons cannot be replaced, and glial cells keep them in the right conditions to ensure their survival .

Several types of glial cells are distinguished:

Células gliales
By OpenStax [CC BY 4.0], via Wikimedia Commons


         

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Biology and Geology teaching materials for Compulsory Secondary Education (ESO) and Baccalaureate students.