Glia are specialized cells of the nervous system whose main function is to "glue" neurons together. Specialized glia called Schwann cells secrete myelin sheaths[?] around particularly long axons. Glia of the various types greatly outnumber the actual neurons.
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... can have several shades of meaning. At its simplest, it refers to an adherent of a monarch or royal family.
Of the more specific uses of the term, the most commo ...