Glial is an adjective describing cells or substances relating to glia, the non-neuronal cells in the nervous system that support and protect neurons. In biology, “glial” typically refers to glial cells or glial tissue, and is used in contexts like glial fibrillary acidic protein (GFAP) or glial scar formation. The term underpins neurobiology and pathology, distinguishing supportive roles from neurons.
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