移植的皮肤毛囊干细胞，这些细胞只能在三周时间内修复和复原皮肤。
The transplanted follicles outperformed naturally-produced hair follicle stem cells, which are only able to heal and repair skin for three weeks.
体外毛囊三维模型培养7周后，光镜下可见支架中有均匀散在分布的毛囊混合细胞，未见到角化物质及毛囊结构。
Hair follicle cells scattered evenly in three-dimensional scaffold were seen under light microscope after culture in vitro for 7 weeks, but keratinized material and hair follicles can't be seen.
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