blastula
n. [胚] 囊胚，囊胚泡
n.
囊胚；
变形
复数：blastulas
英英释义
blastula[ 'blæstjulə ]
n.early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
同义词：blastodermic vesicle
双语例句
用作名词(n.)
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。
权威例句
Patterning Xenopus blastulaPatterning the Xenopus blastula
Blastula-stage stem cells can differentiate into dopaminergic and serotonergic neurons after transplantation
Transplantation of Living Nuclei From Blastula Cells into Enucleated Frogs' Eggs.
Surface activity and locomotion of Fundulus deep cells during blastula and gastrula stages ☆
Cell lineage of zebrafish blastomeres. III. Clonal analyses of the blastula and gastrula stages.
Analysis of spatial and temporal gene expression patterns in blastula and gastrula stage chick embryos
"Transplantation of Living Nuclei from Blastula Cells into Enucleated Frogs' Eggs"(1952), by Robert Briggs and Thomas J. King
A functional test for maternally inherited cadherin in Xenopus shows its importance in cell adhesion at the blastula stage.
Activation of muscle-specific actin genes in xenopus development by an induction between animal and vegetal cells of a blastula
blastula (n.)
embryonic state, 1875, Modern Latin, from Greek blastos "sprout, germ" + diminutive ending -ula (see -ule).
1. 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。
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2. 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。
www.youdict.com
3. superficial blastula
表裂囊胚
-- 来源 -- 英汉 - 翻译参考[网络]
4. double-walled stage of the embryo succeeding the blastula.
囊胚发育之后的双层胚胎。
-- 来源 -- 汉英 - 翻译参考
5. The fluid-filled, central cavity of a blastula.
囊胚腔囊胚中充满液体的中心的洞
-- 来源 -- 英汉 - 短句参考
6. To infold or become infolded so as to form a hollow space within a previously solid structure, as in the formation of a gastrula from a blastula.
套叠折叠或变成折叠以便在原先实心的结构中形成一个中空的空间，如囊胚形成原肠胚的过程
-- 来源 -- 英汉 - 短句参考
7. The modified blastula that is characteristic of placental mammals.
胚泡转化的囊胚，为胎盘哺乳动物的特征
-- 来源 -- 英汉 - 短句参考
8. The spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum.
桑椹胚形成于囊胚之前且处于胚胎期内的球形裂球群，由受精卵细胞的分裂而成
-- 来源 -- 英汉 - 短句参考
9. The formation of a gastrula from a blastula by invagination.
内陷囊胚翻转形成胚囊
-- 来源 -- 英汉 - 短句参考
10. permanent blastula
永久囊胚
-- 来源 -- 英汉 - 翻译参考[网络]
11. the process in which a gastrula develops from a blastula by the inward migration of cells.
由于细胞向内移动囊胚形成胚囊或肠胚的过程。
-- 来源 -- 汉英 - 翻译参考
12. 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
-- 来源 -- 英汉 - 短句参考
blastula
