the development of embryo 对胚胎发育过程
early development of embryo 胚胎早期发育
the development of embryo sac 胚囊发育
development of embryo and endosperm 胚和胚乳的发育
development of ova embryo 卵胚发育
development of the embryo 胚发育的主要时期
Development rate of embryo 胚胎发育率
development of early embryo 早期胚胎发育
This process of cell proliferation or cell division is, of course, very important during development of an embryo.
细胞增殖和分裂的过程,在胚胎发育中至关重要
During development of the embryo it goes from being a single cell, the fertilized egg, to being a multi-cellular organism with billions of cells in it.
胚胎的发育,始于一个单一细胞,即受精卵,直到形成一个以十亿计数量的细胞构成的,多细胞有机体
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。
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