blastula Stage in embryonic development which represents the final product of cleavage stages, characterized by formation of the blastocoel.
胚代表胚胎发展的最后裂阶段,特徵为胚腔的形成。
blastula Stage in embryonic development which represents the final product of cleavage stages, characterized by formation of the blastocoel.
胚代表胚胎发展的最后裂阶段,特徵为胚腔的形成。
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