大多数禾本科胚有一片瓣 状 结构通常称为外胚叶.Most grass embryos have a flap - like structure known as the epiblast.目的: 研究少汗性外胚叶发育不全引起先天缺牙的ED1基因突变.Objective : To detect ED 1 gene mutation in three hypohidrotic ectodermal dysplasia ( HED ) nuc...

“外胚叶”的英语可以翻译为：ectoblast，ectoderm，epiblast，exoderm ...