Erythrocytes in mammals are anucleate when mature, meaning that they lack a cell nucleus.

哺乳动物中的红细胞成熟时是无核的，这意味着它们缺乏细胞核。

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Erythrocytes in mammals are anucleate when mature, meaning that they lack a cell nucleus.

哺乳动物中的红细胞成熟时是无核的，这意味着它们缺乏细胞核。

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