How is the gray matter of the brain formed? What is the white matter of the brain formed by?

The gray matter of the brain is a key element of the central nervous system and includes the following components:

1) cell bodies of neurons;

2) glial cells, which include oligodendrocytes and astrocytes;

3) neuropil or processes of nerve cells, including processes of glial cells, myelin-free axons and dendrites;

4) capillaries.

The white matter is formed mainly by bundles of myelin fibers located between the basal nuclei and the cerebral cortex.

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