glial cell - a cell of the neurogliasomatic cell, vegetative cell - any of the cells of a plant or animal except the reproductive cells; a cell that does not participate in the production of gametes; "somatic cells are produced from preexisting cells"; glia, neuroglia - 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 astrocyte - comparatively large neuroglial cell microgliacyte - a cell of the microglia that may become phagocytic and collect waste products of nerve tissue |