glioblastoma /glio·blas·to·ma/ (gli″o-blas-to´mah) any malignant astrocytoma.
glioblastoma multiforme
glioblastoma multifor´me the most malignant type of astrocytoma, composed of spongioblasts, astroblasts, and astrocytes; it usually occurs in the brain but may occur in the brain stem or spinal cord.
glioblastoma mul·ti·for·me (m l t -fôr m )n. A virulent brain cancer that is usually fatal. |
glioblastoma multiforme
[glī′ōblastō′mə mul′tifôr′mē]
Etymology: Gk, glia, glue, blastos, germ, oma, tumor; L, multus, many, forma, form
a malignant, invasive, rapidly growing pulpy or cystic tumor of the cerebrum or the spinal cord. The lesion spreads with pseudopod-like projections. It is composed of a mixture of monocytes, pyriform cells, immature and mature astrocytes, and neural ectodermal cells with fibrous or protoplasmic processes. Also called anaplastic astrocytoma, glioma multiforme.
glioblastoma
an undifferentiated malignant astrocytoma.
glioblastoma multiforme
a rapidly growing tumor, usually of the cerebral hemispheres, often supratentorial.
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