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  1. Dictionary
    gray mat·ter
    /ˈɡrā ˌmadər/

    noun

    • 1. the darker tissue of the brain and spinal cord, consisting mainly of nerve cell bodies and branching dendrites.

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  2. my.clevelandclinic.org › health › bodyGrey Matter: What It Is & Function - Cleveland Clinic

    Mar 19, 2023 · Overview. What is grey matter? Grey matter is a type of tissue in your brain and spinal cord (central nervous system) that plays a crucial role in allowing you to function normally from day to day. It consists of high concentrations of neuronal bodies, axon terminals (endings) and dendrites. A nerve cell (neuron) consists of:

  3. dictionary.cambridge.org › dictionary › englishGRAY MATTER | English meaning - Cambridge Dictionary

    GRAY MATTER definition: 1. US spelling of grey matter 2. the darker tissue containing nerve fibers (= structures like…. Learn more.

  4. www.simplypsychology.org › what-is-grey-matter-in-the-brainGrey Matter In The Brain - Simply Psychology

    Sep 18, 2023 · Grey matter (or gray matter) makes up the outermost layer of the brain and is pinkish grey in tone, hence the name grey matter. Grey matter in the brain consists of neuron cell bodies, dendrites, and synapses.

  5. en.wikipedia.org › wiki › Grey_matterGrey matter - Wikipedia

    Grey matter, or brain matter in American English, is a major component of the central nervous system, consisting of neuronal cell bodies, neuropil ( dendrites and unmyelinated axons ), glial cells ( astrocytes and oligodendrocytes ), synapses, and capillaries.

  6. dictionary.cambridge.org › dictionary › englishGREY MATTER | English meaning - Cambridge Dictionary

    noun [ U ] (US usually gray matter) uk / ˈɡreɪ ˌmæt.ə r/ us / ˈɡreɪ ˌmæt̬.ɚ / Add to word list. anatomy specialized. the darker tissue containing nerve fibres (= structures like threads) found in the brain and spinal cord. Compare. white matter. informal. a person's intelligence: It's not the sort of film that stimulates the grey matter much.

  7. www.merriam-webster.com › dictionary › gray matterGray matter Definition & Meaning - Merriam-Webster

    The meaning of GRAY MATTER is neural tissue especially of the brain and spinal cord that contains nerve-cell bodies as well as nerve fibers and has a brownish-gray color.

  8. yourbrain.health › gray-matterGray Matter: How we process information - Health, Brain and...

    Jul 27, 2018 · Gray matter, also spelled grey matter (British spelling) and also called substantia grisea, is the part of the brain that is controlled by the true dendrites (the short branching fibers that carry messages and impulses to the cell body) and nerve cell bodies (which bring information to the neurons).

  9. www.dictionary.com › browse › gray-matterGRAY MATTER Definition & Meaning | Dictionary.com

    Gray matter definition: nerve tissue, especially of the brain and spinal cord, that contains fibers and nerve cell bodies and is dark reddish-gray.. See examples of GRAY MATTER used in a sentence.

  10. dictionary.cambridge.org › us › dictionaryGRAY MATTER | definition in the Cambridge English Dictionary

    GRAY MATTER meaning: 1. US spelling of grey matter 2. the darker tissue containing nerve fibers (= structures like…. Learn more.

  11. www.vocabulary.com › dictionary › gray matterGray matter - Definition, Meaning & Synonyms | Vocabulary.com

    noun. greyish nervous tissue containing cell bodies as well as fibers; forms the cerebral cortex consisting of unmyelinated neurons. synonyms: gray substance, grey matter, grey substance, substantia grisea. see more.