A malignant brain tumor that begins in the lower part of the brain and that can spread to the spine or to other parts of the body. Medulloblastomas are a type of primitive neuroectodermal tumor (PNET).

English dictionary of cancer terms . 2015.

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  • Medulloblastoma — See also: brain tumor Medulloblastoma Classification and external resources CT scan, showing a tumorous mass in the posterior fossa, giving rise to obstructive hydrocephalus, in a six year old girl …   Wikipedia

  • medulloblastoma — n. a malignant brain tumour (see cerebral tumour) that occurs during childhood. It is derived from cells that have the apparent potential to mature into neurones and develops in the cerebellum, the part of the brain that is predominantly involved …   The new mediacal dictionary

  • medulloblastoma — noun (plural mas; also medulloblastomata) Etymology: New Latin, from medulla + o + blast + oma Date: 1925 a malignant tumor of the central nervous system arising in the cerebellum especially in children …   New Collegiate Dictionary

  • medulloblastoma — noun A type of brain tumour …   Wiktionary

  • Medulloblastoma — A type of virulent brain tumor that occurs most frequently in children. Medulloblastomas originate in residual embryonic nerve cells that begin to proliferate. Treatment is by radiation, but is only rarely successful. * * * A tumor consisting of… …   Medical dictionary

  • medulloblastoma — n. (Oncology) malignant tumor of the cerebellum composed of undifferentiated neuroglia (primarily affects children) …   English contemporary dictionary

  • medulloblastoma — me·dul·lo·blas·to·ma …   English syllables

  • medulloblastoma — /mədʌloʊblæsˈtoʊmə/ (say muhdulohblas tohmuh) noun a brain tumour originating in the lowest or hindmost part of the brain; highly malignant. {medull(a oblongata) + o + blastoma} …  

  • medulloblastoma — …   Useful english dictionary

  • Медуллобластома (Medulloblastoma) — опухоль головного мозга, которая обычно развивается в детском возрасте. Она происходит из клеток, которые потенциально могут созреть до такой степени, что превратятся в нейроны. Мсдуллобластома обычно развивается в черве мозжечка, примыкающем к… …   Медицинские термины

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