Tissue
gray matter Audio
gray mat·ter
Subclass of:
Spinal Cord; Brain
Definitions related to gray matter:
  • Gray nervous tissue composed of nerve cell bodies, unmyelinated nerve fibers and supportive tissue.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • 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.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • The nerve tissue composed of nerve cell bodies, unmyelinated nerve fibers and supportive tissue found in the brain and spinal cord. It is differentiated from the white matter by color of the tissues and the presence of more myelinated nerve cells in the white matter.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (gray matter of neuraxis) Cell part cluster consisting predominantly of somas of neurons in the brain and the spinal cord.
    Foundational Model of Anatomy
    University of Washington, 2017
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