Gray matter looks reddish gray on a freshly removed
brain. It forms the superficial parts of the brain and the deep parts of the [spinal cord]
?. It is composed of the bodies of the nerve cells (
neuron) and the initial parts of its processes (
axons and
dendrites) just emerging from the neurons. Gray matter is the major part of the nervous system in which the nerve impulses for all kinds of
mental functions are produced and then sent away to be carried to their target organs by
white matter.
See also white matter. Do not confuse with dark matter.
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