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Caption: The most primitive stem cells (hemocytoblasts) give birth to two types of precursors: the lymphoid and myeloid stem cells. These, by dividing several times in turn, produce the white blood cells, the red blood cells and the platelets.
Credit: Album / Universal Images Group
Image size: 1856 × 1728 px | 9.2 MB
Print size: 15.7 × 14.6 cm | 730.7 × 680.3 in (300 dpi)