Delayed implantation occurs when the conceptus enters a state of suspended animation at the blastocyst stage of development.
延迟着床是指胚胎在发育到胚泡阶段时暂时进入休眠状态，并不立即着床。
The researchers used fast neutrons to irradiate mouse embryos between the blastocyst stage and the beginning of somite formation.
研究人员用快中子照射在胚泡期和体节形成开始之间的小鼠胚胎。
Conclusions The sequential culture system was beneficial for mouse embryo development and differentiation from early embryo stage to blastocyst stage.
结论序列培养系统有利于鼠胚从早期胚胎向囊胚的进一步发育和分化。
After thawing, 26 of the 33 embryos (most of which were composed of between two and ten cells) developed to blastocyst stage in which the blastocoele is formed.
解冻后，33枚胚胎中有26枚(大多数胚胎含有2到10个细胞)发育到囊胚阶段，此时囊胚腔已经形成。
As cells from the blastocyst take in nourishment, another stage of development, the embryonic stage, begins.
随着囊胚中细胞不断地吸收营养成长，胚囊发育到另一个阶段：胚胎。
The egg automatically 'reprogrammed' its DNA until it reached a stage of the embryo known as a blastocyst — a hollow ball of 50 to 100 cells.
合成后的新细胞自动按照植入DNA序列“重新编程”，直到胚胎进入囊胚期，即由50至100个细胞组成的一个中空的球形幼胚。
Yet, all being well, it will become one—for a blastocyst is an early stage in embryonic development.
然而，如果这些胚泡细胞发育得当，它们的确可以生长成一个人，因为胚泡是胚胎发育的早期阶段。
Yet, all being well, it will become one—for a blastocyst is an early stage in embryonic development.
然而，如果这些胚泡细胞发育得当，它们的确可以生长成一个人，因为胚泡是胚胎发育的早期阶段。
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