gut entoderm肠内胚层
sac entoderm释义卵黄囊内胚层
definitive entoderm定形内胚层
head entoderm头内胚层
entoderm m内胚层
secondary entoderm翻译;后成内胚层
primitive entoderm翻译;原始内胚层
provisional entoderm临时内胚层
entoderm primitive原始内胚层
N（名词） the inner germ layer of an animal embryo, which gives rise to the lining of the digestive and respiratory tracts 内胚层 → see also ectoderm, mesoderm