小白鼠胚胎时期，肾上腺皮质由永久皮质和胎儿皮质两部分组成。
During fetal period the adrenal cortex consists of fetal cortex and permanent cortex.
实际上bugle干细胞已经被证实起源比上述的猜想要早，在胚胎时期就已经开始形成。
The stem cells of the bulge are in fact established much earlier than previously suspected and begin to form in the embryo.
纯合子突变小鼠在各个胚胎时期都有预期中的出现比例，在大小与型态上并没有明显的缺陷。
Homozygous mutant mice showed expected ratio and no obvious defect in sizes and morphologies at all embryonic stages examined.
真皮的毛囊层在胚胎时期就已发育形成，其厚度在各年龄段基本趋于一致（P＞0．05）。
The follicle layer of derma was developed during the embryonic period and it had a constant thickness in each stages of age (P>0.05).
他解释道，早产和较低的阿普加分数都有可能是孩子在胚胎时期的发育没有达到最理想状态的标志。
Both preterm birth and a low Apgar score may be markers of less-than-optimal fetal development, he explained.
举例来说，处于胚胎时期的猪鼻龟会由其龟卵所埋之地的温度来决定其性别，而且已经发育完全的胚胎还能推迟它们的孵化时间。
For example, embryonic pig-nosed turtles become male or female depending on the temperature of the ground their eggs are laid in, while fully developed embryos can delay their hatching.
暂停胚胎的发育比与其兄弟姐妹竞争更有利于使它做好准备以避免艰难时期的到来。
The pause of the development of an embryo has more benefits for preparing it to avoid the harsh times than for competing with its siblings.
在其他好处中，这使她能够在干旱和食物短缺时期冻结胚胎的发育，直到育儿袋中的后代有能力自己离开。
Among other benefits, this allows her to freeze the development of an embryo during times of drought and food shortage until the offspring in the pouch is able to leave.
采用不同的分割方法可对不同时期的胚胎进行分割。
People can bisect the embryo at different stage by different bisection method.
通过柑桔胚胎发育观察表明，授粉后50天左右，胚囊内仅有一个合子胚，未见珠心胚侵入胚囊，为单独分离合子胚培养的最好时期。
Observation of citrus embryo development showed that in 50 days or so after pollination there was only one zygotic embryo in the embryo sac, and nucellar embryo was not yet invaded.
通过家蚕各个时期胚胎蛋白质的研究，可以从蛋白质水平探讨胚胎蛋白质的构成和基因顺序表达的规律。
The composing of embryo proteins and rule of gene sequential expression at protein level can be discussed by researching the proteins of every embryo development stage of silkworm.
玻璃化冷冻的效果与玻璃化溶液的种类、冷冻方法及胚胎的不同品种及时期有关。
The result of vitrification varies with different cryopretective agents, cryopretective methods and the mouse strains and embryo stages.
结果表明，整个胚胎发育经历22天时间，处于小麦灌浆时期。
The result indicates that the whole growth of embryo lasts 22 days when the wheat is milking.
本文还总结了胚胎发育时期与卵粒大小的关系，讨论了负子蝽背器官解体的作用。
The relationship between the developmental stage of the embryo and the size of the egg was noticed and 'the function of the disintegrating dorsal organ discussed.
在胚胎发育时期，原始生殖细胞形成并迁移至生殖腺，形成种系囊。
Mammalian primordial germ cells form and migrate to the gonad during embryonic development.
荧光筛选的最佳时期在胚胎发育第5到第8天；
The best time for fluorescent screening was the 5th to 8th day of embryo.
主要研究了胚胎分割液、分割方法和胚胎发育时期对绵羊体外生产胚胎的影响。
The effects of different embryo bisection solutions and methods and embryo development stages on in vitro embryos bisection of ovine were researched in this experiment.
随后卵裂时期胚胎的基因表达模式将建立一种全能性，这对进一步发育是必需的。
The ensuing gene expression profile in the cleavage-stage embryo establishes totipotency and is required for further development.
胚胎中油体发育开始于球形胚时期。
In the embryo, oil bodies first appeared in globular embryo.
桑椹胚囊胚期胚胎进入快速生长分化时期。
Morulae and blastocyst came into a period of rapid growth and differentiation.
但与其他器官的细胞不同，心脏细胞几乎在胚胎发育时期就分化完了。
But unlike cells in other organs, our heart cells do almost all of their dividing during fetal development.
但与其他器官的细胞不同，心脏细胞几乎在胚胎发育时期就分化完了。
But unlike cells in other organs, our heart cells do almost all of their dividing during fetal development.
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