And divided the embryonic development into four main stages: Cleavage, the formation of archenteron notochord and coelomic mesoderm, the formation of embryonic membranes and the organo-genesis;

  • 将胚胎发育主要分为4个时期:卵裂期、原肠脊索与体腔中胚层形成期、胎膜形成期和器官发生期;

  • 互联网摘选 2025-01-19 23:25:49

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