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The total mass of circulating leukocytes as well as the cells and leukopoietic cells from which it originates.
leukonA near-extinct term for the total corporal mass of leukocytes and precursor cells. Unlike erythron, which is widely used for the total corporal mass of erythocytes and their precursors, leukon suffers from the same nonspecificity as does leukocyte by encompassing all “white” cells, including those of lymphoid, monocytic and myeloid origin.
the circulating leukocytes and the cells that produce them.