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在椭形胚期,宿存助细胞核内的染色质及核仁消失,有细胞质侵入核内。
At ellipsoidal embryo stage, the chromatin and nucleoli disappear and some cytoplasm enters the nucleus.
youdao
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在椭形胚期,宿存助细胞核内的染色质及核仁消失,有细胞质侵入核内。
At ellipsoidal embryo stage, the chromatin and nucleoli disappear and some cytoplasm enters the nucleus.
youdao