then when I mentioned it last time,

你们现在可能弄得更明白了
is that now you could use these new tissues

那就是你们可以用这些实验室里做出来的
that are created in the laboratory to understand physiology better.

新组织来更好地理解其中的生理学过程
You could take Dr.Niklason's

你们可以见识到尼克拉森教授的
tissue engineered blood vessels and use them to understand more

组织工程血管并利用它们来了解
about how blood vessels develop during embryonic development,

更多关于胚胎发育过程中的血管发育问题
because she's created a system

因为她创建了一个体系
where she can control many of the key variable.

能够控制其中许多关键的参数
You could add cells at different time

你可以在不同的时间点上添加细胞
and see how this developing tissue responds to that.

观察发育中的组织是如何做出回应的
You could add signaling molecules at different times

你可以在不同时间点上增加信号分子
and see how this developing tissue remodels

观察这些发育中的组织如何重建