Definition of medulloblast in English:
medulloblast
noun mɛˈdʌləʊˌblastmɪˈdʌləʊˌblast
Histology A (postulated) stem cell of the neural (medullary) tube or cerebellum.
Origin
1920s; earliest use found in Percival Bailey (b. 1892). From medull- + -o- + -blast.