胚胎形成的

The forming time was incompletely consistency with the developing time of neurons in the medulla oblongata.

结果表明：（1）第6周山羊胚胎延髓处在组织发生末期和核团形成初期，是其内部核团构建的关键时期。

At water temperature of 16.0-17.2 ℃, the process of embryonic development could be divided into 24 stages, which were described as follow: fertilized egg at 0 min, 2-cell stage at 75 min post fertilization; myotome forming stage at 43 h PF, and hatching-out stage at 94 h PF when the accumulative temperature reached 1616.8 ℃.h, and the average size of larvae was about 3.8 mm in body length.

梭鲈胚胎发育过程可分为24期，在水温16.0~17.2℃范围内，受精75 min开始第1次卵裂，受精后43 h开始形成器官，受精后约94 h开始出膜；刚出膜的仔鱼全长平均为3.8 mm；从受精到孵化出膜总积温为1 616.8℃。h。

Constant embryonic tooth development began in the first 4 weeks to 9 months to form, the lower total of 28 permanent tooth germ.

恒牙胚的发育始于胚胎第4周，至第9个月形成上、下颌共28个恒牙牙胚。

Embryonic stem cells are immortal and pluripotent cells which can be induced to differentiate into almost types of cells in vitro.

胚胎干细胞具有永生性和多能性，在体外可以被诱导分化形成几乎所有种类的细胞。

Oocyte, spermatocyte, implying the important role silkworm vasa plays in the early development of embryos and the differetiation of germ line.

原位杂交结果提示，家蚕vasa基因在家蚕早期胚胎发育和生殖系的分化形成中发挥重要作用。

In addition, the up-regulation of some proteins indicates the formation of some tissue and organ in the goldfish tail fin appearance stages.

另外一些蛋白质表达上调可能表明了单倍体胚胎在尾鳍出现期一些组织、器官的形成。

AIM To study the isolation and in vitro culture of rabbit s bone mesenchymal stem cells and adipose stromal stem cells and the use of both BMSCs and ASSCs cells in nuclear transfer to produce totipotent blastocysts.

目的 研究非休眠期成年兔骨髓基质干细胞和脂肪基质干细胞作为供体，以体外成熟去核兔卵母细胞作为受体进行核移植构建重组胚胎的可行性及囊胚形成率。

Toxic symptom of embryo was body curvature,body atrophy,body deformity and pericardial tumefaction.

纹缟虾虎鱼胚胎在3种重金属影响下出现身体弯曲、萎缩和残缺，未能形成体节，心包囊肿等症状，还会出现较少见的胚体分叉、增生现象。

Then cloacal membrane is divided into urogenital membrane and anal membrane, until the eighth week, anal membrane ruptures to give rise to anus.

随着胚胎发育，尿直肠隔不断下降与泄殖腔膜的距离越来越小，逐渐与泄殖腔膜融合，同时泄殖腔膜也被分为前后两部分，前者为尿生殖膜，后者为肛膜。第8周时，肛膜破裂，肛门形成。

Mouse blastula showed clear band in 24-72 hours, came out from cell membrane in 1 day. After 3-5 days, it become embryonic stem cell mass. At 7 days, the cell mass showed "bird nest" shape.

小鼠囊胚孵出透明带的时间为24~72 h，从胞膜中孵出约为1 d，3~5 d后可形成胚胎干细胞集落，7 d后集落呈&鸟巢&状。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失