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n. nonneuronal tissue in the nervous system that provides structural, nutritional, and other kinds of support to neurons. It may consist of very small cells (microglia) or relatively large ones (macroglia). The latter include astrocytes, ependymal cells, and the two types of cells that form the myelin sheath around axons: oligodendrocytes in the central nervous system and Schwann cells in the peripheral nervous system. Also called neuroglia. —glial adj.

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Psychology term of the day

May 30th 2024

imagery training

imagery training

a series of exercises to improve the clarity, vividness, and controllability of the images from the five senses, first individually, then in combination.