“trilaminar germ disc”的概念、定义、翻译、参考文献-科学参考

单词	trilaminar germ disc
释义	trilaminar germ disc Encyclopedia 医学植入释 trilaminar germ disc三胚层胚盘由内胚层、中胚层、外胚层三个胚层构成的头端较宽、尾端较窄的椭圆形盘状结构。它是人体发生的原基，构成人体的各种细胞、组织和器官均来源于此。
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