U 937是一种前单核细胞，其主要是以悬浮生长为主，细胞形态成圆球状，表面光滑，没有突起。
U937 is a kind of pro monocyte. It grows mainly in the state of suspension.
扁桃体，正常的单核，巨噬细胞，其它骨髓来源的前体细胞除外淋巴和中性粒细胞。
Tonsil. Normal monocytes, macrophages, and their committed bone marrow progenitors but not lymphocytes or granulocytes.
扁桃体，正常的单核，巨噬细胞，其它骨髓来源的前体细胞除外淋巴和中性粒细胞。
Tonsil. Normal monocytes, macrophages, and their committed bone marrow progenitors but not lymphocytes or granulocytes.
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