Endothelial progenitor cells (EPC) are bone marrow derived cells with the potential to differentiate into mature functional endothelial cells.

内皮祖细胞来源于骨髓，可分化为成熟有功能的内皮细胞。

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The donated tracheas were stripped of the donors' cells — leaving only the cartilage scaffold — and then reseeded with stem cells derived from the recipients' own bone marrow.

捐赠者的细胞会从气管上剥去，而只剩下软骨支架，随后在其上植入从受移植者者骨髓中采集到的干细胞。

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Specifically, the researchers used bone-marrow-derived mononuclear cells.

显然，研究者是使用了从骨髓中萃取出来的单核细胞。

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For about a decade, scientists have experimented with the use of stem cells to try and repair the heart, mostly in animals and mostly using stem cells derived from bone marrow.

CNN: It's amazing what the human heart can do

The researchers showed that it could be used to grow mesenchymal stem cells (MSCs), a kind of primitive cell derived from bone marrow that can be easily grown in culture.

BBC: Coral heals serious fractures

During the next six months, they discovered that up to 2.2% of mature liver cells (hepatocytes) in the female mice were derived from the donated bone marrow.

BBC: First steps towards artificial organs