pronormoblast
noun
pro·nor·mo·blast
| \ (ˈ)prō-ˈnȯr-mə-ˌblast
\
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Medical Definition of pronormoblast
: a cell recognized in some theories of erythropoiesis that arises from a myeloblast and gives rise to normoblasts and is approximately equivalent to the erythroblast of other theories
— called also macronormoblast, rubriblast