entoderm
- n.内胚层
entoderm
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At the third weekend of human embryonic development , the embryo generates three original germ layers ( entoderm , mesoderm , ectoderm ) .
人类胚胎发育到第3周末,胚胎产生三个原始胚层(内胚层、中胚层和外胚层)。
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The gland cell in entoderm of hypostome was able to digest foods , but it had no hurt effect to other Hydra .
垂唇内胚层腺细胞对食物有消化作用,对同类无伤害;