“外胚层”造句
目的: 检测无汗性
外胚层发育不全患者的EDA基因 的突变.
Objetive : To detect the gene mutation of a patient with anhidrotic ectodermal dysplasia.
此外,Nodal信号还在胚胎的左右不对称发育及神经
外胚层的前后轴线分化中起重要的作用.
Nodal signals also play pivotal roles in left - right asymmetrical development and neuroectodermal anteroposterior patterning.
羊膜上皮细胞是在受精后的第8天由
外胚层形成.
The amniotic epithelial cells ( AEC ) are formed from epiblasts on the 8 th day after fertilization.