只有胚孔的背唇能够诱导宿主发育的改变。
Only the dorsal lip of the blastopore could induce altered development in the host.
茌梨果实的生长与胚和胚孔发育之间存有一定的相关性。
There is a certain interrelation between the fruit growth, the development of the embryo and the endosperm.
嘉陵江大眼鳜视泡出现在胚孔封闭前，而鳜和斑鳜视泡出现在胚孔封闭后。
In contrast, the optic vesicle of S. kneri in Xinfengjiang River Reservoir and S. scherzeri in the Jialing River appears after the closure of blastopore.
嘉陵江大眼鳜视泡出现在胚孔封闭前，而鳜和斑鳜视泡出现在胚孔封闭后。
In contrast, the optic vesicle of S. kneri in Xinfengjiang River Reservoir and S. scherzeri in the Jialing River appears after the closure of blastopore.
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