from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a proliferation of astrocytes in damaged areas of the central nervous system. This proliferation usually leads to the formation of a glial scar.

from The Century Dictionary and Cyclopedia

  • n. Circumscribed hypertrophy of glia-tissue or neuroglia which causes partial destruction of the brain-substance.


Sorry, no etymologies found.


  • Griffith RW, Humphrey DR (2006) Long-term gliosis around chronically implanted platinum electrodes in the Rhesus macaque motor cortex.

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  • Despite the vascular changes, the brain anatomy appeared normal, and there was no evidence of a cellular proliferation process called gliosis, which typically accompanies neurodegeneration. "

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  • Throughout his career, Shakespeare has brought onstage fairies, gliosis, demons, and monsters to mingle with his more recognizably human characters.


  • There was gliosis in parts of the cornu ammonis, but no demonstrable nerve cell loss (interesting in relation to the epilepsy).

    The Journal of Abnormal Psychology

  • One area in left superior frontal gyrus showed superficial gliosis.

    The Journal of Abnormal Psychology

  • The brain was macroscopically normal, but showed superficial gliosis (frontal and precentral) and thinning out of medullated fibers superficially (frontal).

    The Journal of Abnormal Psychology

  • The brain was described grossly as normal: but microscopically there was marked superficial gliosis in all areas examined and considerable cell loss in suprastellate layers of precentral cortex.

    The Journal of Abnormal Psychology

  • The brain, normal macroscopically, proved microscopically to show, in all areas examined, superficial gliosis.

    The Journal of Abnormal Psychology

  • He believes it to consist in a pachymeningitis combined with a certain degree of sclero-gliosis of the periphery of the cord.

    Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition.

  • Importantly, there were no signs of neuroinflammation or reactive gliosis at the 8-year point, indicative of the safety of this treatment.

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