Pronunciation: gli'o-blas-to'ma mul'ti-form
A glioma consisting chiefly of undifferentiated anaplastic cells of astrocytic origin that show marked nuclear pleomorphism, necrosis, and vascular endothelial proliferation; frequently, tumor cells are arranged radially about an irregular focus of necrosis; these neoplasms grow rapidly, invade extensively, and occur most frequently in the cerebrum of adults.
[G. glia, glue, + blastos, germ, + -oma, tumor]
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Examples: glitazone, GI cocktail, etc.