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Grey matter

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Grey matter is a type of nervous tissue[?] with many nerve cell bodies and few myelinated axons.

Grey 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.

The cerebrum[?] and the subcortical nuclei[?], such as the putamen and the caudate[?], are composed of grey matter.

See also: White matter, not to be confused with dark matter.



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