10
Neurula40032380400263465679821103611341332
neural2523976018097188285349434478
tube3042976018059156252344
notochord3161614018097194256352428525621684778
mesoderm18424700180146237309406503594657804
endoderm4954318018091188285382479569632779
Late78654721014159126172240
neurala81374721014174143217265330363430
of85994721014174117
frog8749472101414190162228