原发性骨髓疾病，往往是多个造血细胞系生成量降低，导致全血球贫血。

In primary marrow disorders, more than one hematopoietic cell line is often decreased, resulting in pancytopenia.

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血小板增多往往伴有慢性失血和缺铁，因为骨髓加快生成血小板而导致了持续的消耗和损失。

Thrombocytosis is often associated with chronic blood loss and iron deficiency because of increased platelet production in the marrow reacting to continued consumption and loss.

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骨髓中大量白血病细胞的生成也会造成中性粒细胞和血小板计数的降低。

A very high number of leukemia cells building up in the marrow also can lead to low neutrophil and platelet counts.

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Through many decades of study, biologists have teased out certain populations of cells within the bone marrow that are capable of reproducing subsets of cells.

经过数十年的研究,生物学家们在骨髓中发现了,一些细胞群,它们能够生成细胞亚群

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