The way we did this was to coax embryonic stem cells first to develop into the surface layer.
我们是这么做的,先诱导胚胎干细胞,发育成外胚层。
This surface layer thickens at an early stage in a mouse after 8 days of development.
发育8天后,老鼠早期胚胎的,外胚层开始增厚。
We can see the early signs of ear development Start with the thickening of the outer layer of the embryo, this layer is called the ectoderm.
大家知道,耳朵发育的早期特征,是胚胎外层膜的增厚,这层膜也叫外胚层。
And shortly thereafter this thickening of the outer surface is dimpling in, its invaginating.
增厚的外胚层很快就,向内凹陷。
First is that the ear develops from the surface layer of the embryo.
耳朵是由,胚胎的外胚层发育来了。
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