Noun
gliosis (countable and uncountable, plural glioses)
(pathology) A proliferation of astrocytes in damaged areas of the central nervous system. This proliferation usually leads to the formation of a glial scar.
Cast member Julie Ryles died on 27 January 2011, after being diagnosed a few years earlier with a rare condition known as progressive subcortical gliosis. Source: Internet
Neuronal loss and gliosis are also seen. citation Plaques of amyloid-like material can be seen in the neocortex in new-variant CJD. Source: Internet