与牙鲆卵不同的是，大菱鲆卵在胚盘皮层区有皮层小泡；
Unlike eggs of flounder, there are cortical alveoli in the cortex of eggs of turbot .
到了第五天，胚胎形成一个液囊，然后胚盘和胎儿开始分化。
By the fifth day, a fluid cavity forms in the embryo, and the placenta and fetal tissues begin to separate.
到了第五天，胚胎形成一个液囊，然后胚盘和胎儿开始分化。
By the fifth day, a fluid cavity forms in the embryo, and the placenta and fetal tissues begin to separate.
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