To the editor: Monocytes originate from the bone marrow (BM), are distributed in the bloodstream, and can differentiate in the tissue into skin macrophages or intestinal dendritic cells (DCs).[1][1] They play an essential role in the defense against pathogens[2][2] and are implicated in a range of

中文翻译：

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体内人类单核细胞亚群的循环和成熟动力学

致编者：单核细胞来源于骨髓（BM），分布于血流中，可在组织内分化为皮肤巨噬细胞或肠树突状细胞（DC）。[1][1] 它们在防御病原体[2][2]方面发挥着重要作用，并涉及一系列