from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Brains; a person's ability to think.
- n. A collection of cell bodies and (usually) dendritic connections, in contrast to white matter.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons
Sorry, no etymologies found.
A broad layer of nerve-containing grey matter found bilaterally throughout the mesencephalon, or upper brain stem.
The whorls of grey matter swelled to entrails, they curled round one another like muscular snakes, became vague and misty like the spiral nebulae on astronomical charts ...