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Medical Dictionary

medulloblast

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noun me·dul·lo·blast \mə-ˈdəl-ə-ˌblast, ˈmej-ə-lə-\

Medical Definition of medulloblast

: a primitive undifferentiated nerve cell of the neural tube that is capable of developing into either a neuroblast or a spongioblast and that is found in medulloblastomas

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