查询词典 blastula

The infolding of a portion of the outer layer of a blastula in the formation of a gastrula.

体腔高于腔肠动物和一些本源虫的所有动物体内的腔，由中胚层裂成两层形成。

The in growth and curl in g in ward of a group of cells,as in the formation of a gastrula from a blastula.

内长一组细胞的内部或向内生长，如从囊胚到原肠胚的生长过程

The ingrowth and curling inward of a group of cells,as in the formation of a gastrula from a blastula.

内长一组细胞的内部或向内生长，如从囊胚到原肠胚的生长过程

The outer layer of a blastula that gives rise to the ectoderm after gastrulation.

外胚层囊胚的外层，在原肠胚形成之后生后外胚层组织

The cells of the blastula called blastomeres also each receive a full diploid set of chromosomes.

这些囊胚细胞，称卵裂球，每个细胞都有一套二倍体染色体组。

Cleavage produces a blastula a sheet of cells rounded into a sphere that in most species surrounds a cavity.

卵裂产生一个囊胚，形成的细胞壁球形排列形成一个空腔。

The series of mitotic cell divisions that produces a blastula from a fertilized ovum.

它可能是利用人们对美苏共管世界的害怕心理来分裂联盟的一种花招。

The formation of a gastrula from a blastula by invagination.

外胚层囊胚的外层，在原肠胚形成之后生后外胚层组织

3The sensitivity of organisms on toxin differs at different development stage: in common, the embryo before blastula was more sensitive to toxin.

3生物不同发育阶段对毒物的敏感性不同：一般来说原肠期之前的胚胎对毒物较敏感。

Short time delay dont result in preimplantation embryos death, but impacted blastula rate of pronucleus embryos.

短时间滞留不会引起着床前胚胎死亡，但却使原核胚发育到囊胚能力显著下降。3。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。