medulloblastoma
/mɛˌdʌləʊblaˈstəʊmə/ /mɪˌdʌləʊblaˈstəʊmə/Pathology
noun
A malignant tumour of neuroectodermal origin, most commonly found in the vermis of the cerebellum in children.
Origin
1920s; earliest use found in Percival Bailey (b. 1892). From medulloblast + -oma.