blastula Stage in embryonic development which represents the final product of cleavage stages, characterized by formation of the blastocoel.
囊代表发展的最后段,特徵为囊腔的形成。
blastula Stage in embryonic development which represents the final product of cleavage stages, characterized by formation of the blastocoel.
囊代表发展的最后段,特徵为囊腔的形成。
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