FGFR2阳性反应较均匀分布于卵母细胞和植入前胚的胞质。
However, FGFR2 were located uniformly in the cytoplasm of the oocytes and preimplantation embryos.
那些携带灭活基因的胚胚胎干细胞经分离出来后注入称作胚泡的胚前组织中。
Those ES cells carrying the inactivated gene can then be isolated and introduced (by injection) into a pre-embryonic structure called the blastocyst.
非常有趣的是,发育中的哺乳动物晶胚的心脏在分化为四腔室前,与斑马鱼的双腔心脏非常相似。
Intriguingly, before the heart of a developing mammalian embryo separates into four Chambers, it looks similar to the two-chambered zebrafish heart.
研究者们在神经板形成前,从“阶段3”的鸡胚种移植了一些细胞,种植在非诱导性培养物中。
The researchers grew grafts of cells from "stage 3" chick embryos, before the neural plate formed, in non-inducing cultures.
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.
着床前检查一般要从一个称为胚泡的8细胞胚胎中取出1个或更多细胞,该过程也存在一定风险。
There are risks involved with preimplantation testing, which generally involves removal of one or more cells from an eight-cell embryo called a blastocyst.
结果记录排卵前卵母细胞至扩展囊胚的小鼠早期胚发育全过程,制成微分干涉差显微图谱。
Results a DIC atlas of preimplantation embryos in full developmental stages was formed from preovulatory oocyte to expanded blastocyst.
结果畸胎瘤和胸腺瘤位于前纵隔,神经源性肿瘤和内胚窦瘤发生于后纵隔。
Results Thymomas and teratomas tended to be located in the anterior mediastinum, whereas neurogenic tumours and EDST predisposed to the posterior mediastinum.
结果畸胎瘤和胸腺瘤位于前纵隔,神经源性肿瘤和内胚窦瘤发生于后纵隔。
Results Thymomas and teratomas tended to be located in the anterior mediastinum, whereas neurogenic tumours and EDST predisposed to the posterior mediastinum.
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