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leukoblast

noun

leu·​ko·​blast
variants or chiefly British leucoblast
: a developing white blood cell : a cellular precursor of a white blood cell compare lymphoblast, myeloblast

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“Leukoblast.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/leukoblast. Accessed 3 Dec. 2025.

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