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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... phonology, etc.) was first developed by Indian grammarians who were attempting to catalog and codify Sanskrit's rules. Modern linguistics, which arose much later in th ...