embryos

1.Most grass embryos have a flap-like structure known as the epiblast.

大多数禾本科胚有一片瓣状结构通常称为外胚叶。

2.All bdelloid rotifers are female, and they make embryos without any need for sperm.

所有的蛭形轮虫都是雌性，而且牠们需要精子就可以产生胚胎。

3.the percentage of available embryos of obvious oestrous buffalo was higher than that of silent oestrous buffalo (P＜0.01);

发情的可用率极著高于发情的(P＜0．01)。

4.Results Mouse embryos were successfully hatched, adhered, implanted and outspreaded under the coculture system.The extraplacental cone and amniotic sac were formed as well.

结果小鼠胚胎在体外无血清培养体系中能够顺利孵化、粘附、种植及外延生长，并形成外胎盘锥和羊膜囊；