| 释义 |
原肠原肠[yuán cháng]1.■archenteron; primitive gut; celenteron; archenteron archigaster; primitive intestine
常用词组1.■原肠沟 gastral groove; gastrula furrow;2.■原肠孔 archioporus;3.■原肠期 gastrul stage;4.■原肠腔 {生} archenteric cavity; gastrula; primitive gut cavity;5.■原肠外凸 exogastrulation;6.■原肠（胚）形成 gastrulation;7.■原肠祖 gastraea |