查询词典 embryonic development

He dissected their embryos and documented every stage of their embryonic life.

他解剖它的胚胎，记下了它的胚胎时期每一阶段的发育情况。

ObjectiveTo establish a feasible method of culture and purification of embryonic dorsal root ganglion neurons of rats.

目的：建立一种切实可行的胚胎大鼠背根神经节神经元培养及纯化方法。

Derived from two embryonic germ layers, the ectoderm and the endoderm.

双胚层的具有两个胚层的。

In mammals, the primitive ectoderm is an epithelium of polarized cells that differentiates into all embryonic tissues.

事实上，我们的生命开始于一个细胞团，但在24小时内，一些细胞死去，而另一些形成一个空心的细胞球，这就是原始外胚层。

An inward fold on the surface of the embryonic ectoderm that develops into part of the anal passage.

原肛肛道胚胎消化道表面的凹陷，发育成直肠的一部分

Under appropriate conditions embryonic stem cells have been shown to differentiate in vitro to multiple cell types of endoderm, mesoderm and ectoderm.

一旦撤除分化抑制因素，或添加适当的诱导剂，ES细胞可分化为内胚层、中胚层和外胚层的多种类型的特化细胞。

An individual having a lean, slightly muscular body build in which tissues derived from the embryonic ectoderm predominate.

原尾幼虫假叶目及一些其他绦虫的实体第一寄生虫，通常在桡足类的体腔中发育

An individual having a lean,slightly muscular body build in which tissues derived from the embryonic ectoderm predominate.

埃尔蒙德太太的家还要继续往北，在一处刚刚开始形成的街上。

Epidermal stem cells isolate from embryonic ectoderm, mostly locate on the eminentia of upper hair follicle and stratum of hair-lack regions such as palm.

表皮干细胞来源于胚胎的外胚层，毛囊上半部的隆起处数量众多，在缺乏毛发的手掌等处位于表皮的基地层。

Observing the mature embryo sac of the mutant: It was found thatthe embyo sac appeared in typical polygonum type and more than 90% of the embryo sac hadintegral inner structure. They had egg apparatus, two polar nucleus and three antipodal cells , and their position in the embryonic sac was normal .

幼穗分化、成熟胚囊观察发现，90％以上的胚囊具有完整的内部结构，有卵器、两个极核及多个反足细胞，且位置正常，胚囊呈现典型的蓼型结构；同时还观察到雌、雄器官的发育是同步的。

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。