grey substance


Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.grey substance - greyish nervous tissue containing cell bodies as well as fibersgrey substance - greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
nerve tissue, nervous tissue - tissue composed of neurons
neuropil, neuropile - the complex network of unmyelinated axones, dendrites, and glial branches that form the bulk of the central nervous system's grey matter and in which nerve cell bodies are embedded
cerebral cortex, cerebral mantle, cortex, pallium - the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
statement with a grey substance that nevertheless retained the visible form of double lines beneath.
She said: "Existing yellow lines were covered over with a grey substance that nevertheless retained the visible form of double lines beneath.
Dhont explained that it would require removal of the dross - the mass of grey substance probably used to extract aluminum from discarded smelter tailings.