Greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons.
1M. Brown-Sequard has proved by numerous experiments that the gray substance transmits sensitive impressions and muscular stimulation.
2And in the gray substance of the vault door were the paler gray shapes of my fingers.
3This gray substance lies in folds or convolutions, the furrows or sulci, dipping deeply into the interior of the brain.
4Splattered on the blue toile wallpaper nearest the bedpost, intermingled with red blood, was a gray substance I knew to be brain.
5In this country sterility reigns throughout the whole region of gray matter in the brain-itis sterility in the great gray substance-ifyou wish-
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