Gray Matter

Gray Matter: The cortex of the brain which contains nerve cell bodies. The gray matter is in contrast to the white matter, the part of the brain that contains myelinated nerve fibers. The gray matter is so named because it appears gray.

Source: RDCRN (NCATS/NIH)1

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Gray Matter: Region of Central Nervous System that appears darker in color than the other type, White Matter. It is composed of neuronal Cell Bodies; Neuropil; Glial Cells and Capillaries but few Myelinated Nerve Fibers.2

Types

Types may include:3

Types of Gray Matter:

  • Cerebral Gray Matter
  • Gray Matter of the Spinal Cord
  • Neuropil

Anatomy Articles

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References

  1. Source: RDCRN (NCATS/NIH): rarediseasesnetwork.org/ cms/ artfl/ Learn-More/ Glossary
  2. Source: MeSH (U.S. National Library of Medicine)
  3. Source: NCI Thesaurus

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