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1. Brownish-gray nerve tissue, especially of the brain and spinal cord, composed of nerve cell bodies and their dendrites and some supportive tissue.
2. Informal Brains; intellect.
1. a reddish gray nerve tissue of the brain and spinal cord, consisting chiefly of nerve cell bodies, with few nerve fibers. Compare white matter.
2. Informal. brains or intellect.
The brownish-gray tissue of the brain and spinal cord in vertebrate animals, made up chiefly of the cell bodies of neurons. Compare white matter.
Parts of the central nervous system comprising cell bodies with axons and dendrites lacking a myelin sheath.
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|Noun||1.||gray matter - greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated 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
n. materia o sustancia gris, tejido nervioso muy vascularizado de color gris pardo compuesto de células nerviosas y fibras nerviosas amielínicas.