gray matter

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Related to Substantia Grisea NH3: substantia grisea centralis

gray matter:

see nervous systemnervous system,
network of specialized tissue that controls actions and reactions of the body and its adjustment to the environment. Virtually all members of the animal kingdom have at least a rudimentary nervous system.
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gray matter

[′grā ‚mad·ər]
(neuroscience)
The part of the central nervous system composed of nerve cell bodies, their dendrites, and the proximal and terminal unmyelinated portions of axons.
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