Daughter nuclei moved towards the egg surface in the form of cometic energids to form blastoderm during the cleavage.
卵裂
子核以“彗星”
活质体向卵表面迁移，形成
；
胎;芽的;;
的;Daughter nuclei moved towards the egg surface in the form of cometic energids to form blastoderm during the cleavage.
卵裂子核以“彗星”活质体向卵表面迁移，形成；
periblast A layer of tissue between the yolk and cells of blastoderm which is observed as a thin border around blastula.
层在卵黄与眙细胞之间的组织层，被观察到是一个住囊的细缘。
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