Germ-layer theory胚层说
germ-layer翻译;生殖层英语
entodermal germ layer内胚层
animal-germ layer翻译
germ layer theory detail胚层学说
germ layer differentiation detail胚层分化
Germ layer MS胚层
three primary germ layer三原胚层
primary germ layer原胚层
N（名词） any of the three layers of cells formed during gastrulation 胚层 [embryol]→see ectoderm, mesoderm, endoderm