伦敦大学的研究人员观察了胚胎中的一群细胞，他们可以转分化为不同类型的心脏细胞。

The researchers at University College London looked at a group of cells which are able to transform into different types of heart tissue in an embryo.

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具体来说，鲜为人知的是基底细胞的增殖和分化的假气道上皮细胞，多能干细胞群。

Specifically, little is known about the proliferation and differentiation of basal cells, a multipotent stem cell population of the pseudostratified airway epithelium.

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结论同种植物不同居群间亲缘关系的远近与地理来源有关；能够通过聚类分析区分姜黄和川郁金；姜黄属郁金类植物的栽培型和野生型产生了分化。

Clustering approach could make a distinction between Curcuma longa and C. sichuanensis. The differentiation has happened between the wild and cultivated species of Curcuma L.

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