What is the meaning of gray substance?

Greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons.
- synonyms: grey matter, gray matter, grey substance, substantia grisea

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APA	WordNet. (2010). gray substance. Retrieved September 21, 2026, from http://smartdefine.org/gray_substance/definitions/1283011
Chicago	WordNet. 2010. "gray substance" http://smartdefine.org/gray_substance/definitions/1283011 (accessed September 21, 2026).
Harvard	WordNet 2010, gray substance, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/gray_substance/definitions/1283011>.
MLA	WordNet. "gray substance" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/gray_substance/definitions/1283011>

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