Medical Definition of glia
: supporting tissue that is intermingled with the essential elements of nervous tissue especially in the brain, spinal cord, and ganglia, is either of ectodermal or mesodermal origin, and is composed of a network of fine fibrils and of flattened stellate cells with numerous radiating fibrillar processes—see macroglia, microglia
Medical Definition of -glia
: glia made up of a (specified) kind or size of element <microglia> <oligodendroglia>
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