They found that the knockout mice had 50 percent fewer lymphocytes in their bone marrow and 80 percent fewer in their thymus, a collection of glands that helps produce specialized immune cells.

他们发现这种敲除基因的小鼠骨髓中的淋巴细胞较正常鼠少50%，产生特异免疫细胞的胸腺较正常鼠少80%。

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Haemopoietic stem cells can be collected from a donor either as a bone marrow harvest or by peripheral blood collection.

异体造血干细胞移植骨髓和周边血干细胞收集之比较造血干细胞可收集自捐者的骨髓或是周边血。

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BACKGROUND: Bone marrow mesenchymal stem cells (BMSCs) are in advantages of easy collection and amplification in vitro, but the culture and induction in vitro still need to be modified.

背景：骨髓间充质干细胞取材方便，易于体外扩增，其体外培养方法及诱导分化仍需要改良。

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BACKGROUND: Bone marrow mesenchymal stem cells (BMSCs) are in advantages of easy collection and amplification in vitro, but the culture and induction in vitro still need to be modified.

背景：骨髓间充质干细胞取材方便，易于体外扩增，其体外培养方法及诱导分化仍需要改良。

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