单核吞噬细胞主要由骨髓产生，以单核细胞的形式进入血液。

Mononuclear phagocytes arise primarily from the marrow and are released into the blood as monocytes.

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单核吞噬细胞主要由骨髓产生，以单核细胞的形式进入血液。

Mononuclear phagocytes arise primarily from the marrow and are released into the blood as monocytes.

youdao