neuroglia(n = noun.body) glia - sustentacular tissue that surrounds and supports neurons in the central nervous system; glial and neural cells together compose the tissue of the central nervous system;
neuroglia, n. [NL., fr. Gr. ney^ron ligament + gli`a glue.].
The delicate connective tissue framework which supports the nervous matter and blood vessels of the brain and spinal cord; called also K. It is composed of cells which are not neurons. Once thought to serve merely a supporting funciton, they are now believed to have important metablolic functions. Among them are the astrocytes, ependymal cells, oligodendroglia cells, and microglia cells. [1913 Webster]