查询词典 zygote

The head of the sperm cell and the nucleus of the egg cell then unite and form a new cell: the zygote.

然后，精子的头和卵子的核融合，形成一个新细胞：受精卵。

The reproductive toxicity of Aroclor 1254 on the oogenesis, the fertilization and preimplantion embryonic in vivo in female mice, the spermatogenesis toxicity, the sperma fertilizing ability and the zygote developmental toxicity in vivo in male mice were studied, and the toxicity mechanism were discussed by histopathological examination of the ovary, the uterus, the testis and epididymides.

以小鼠为动物模型，研究了类二噁英多氯联苯的典型代表物质——Aroclor 1254对母鼠卵子发生、受精和附植前胚胎体内发育毒性，公鼠精子发生毒性，以及对精子受精能力和受精卵体内发育的毒性。

Exoscopic Describing the type of development of a plant embryo in which the apex of the sporophyte develops from the outer cell formed by the first division of the zygote , the inner cell giving rise to the foot.

外向的：指一种植物胚胎的发育类型，其孢子体的顶端由受精卵的第一次分裂的外层细胞发育而来，内层细胞形成根。

Embryo The organism that develops from the zygote of a vascular plant after the proembryo has differentiated into embryo and SUSPENSOR but before germination, i.e.

胚：由维管植物受精卵发育而成，在原胚分化成胚胎和胚柄之后，萌发之前的结构。

Endoscopic Describing the type of development of a plant embryo in which the inner cell formed by the first division of the zygote develops into the embryo, while the outer cell develops into the suspensor.

内向极性：该名词用来描述植物胚胎发育的一种形式，指受精卵第一次分裂形成的内细胞最后发育为胚胎，外细胞发育为胚柄。

In the mature embryo sac, the synergid filiform apparatus, the polari-ties of the egg and zygote and the two polar nuclei are significant.

在授粉后18-24小时，卵细胞开始受精，在授粉后54-58小时，合子开始分裂，但初生胚乳核则在授粉后32小时已开始分裂。4。

Syngamy - The fusion of egg and sperm cells into a zygote.

Syngamy -融合卵和精子细胞成受精卵。

In angiosperms where the endosperm is commonly in the triploid condition the development of the endosperm generally precedes the development of the zygote.

译：在胚乳通常是 3 倍体的被子植物中，通常胚乳的发育先于合子的发育。

This is very rare and is thought to involve trisomy rescue; ie, the zygote started off as a trisomy and one of the three chromosomes was lost, leading to uniparental disomy in 1/3 of cases.

这是很罕见的并被认为还涉及三体挽救，即合子开始时为三体，而三条染色体中的一条丢失后在1/3的情况下导致单亲二体。

Any of various mixtures of xylidine isomers.An organism that is haploid throughout its life cycle except as a zygote, when it is diploid, as in many algae and fungi.

单元体一种在其整个生命循环过程中保持单倍体，而只有在海藻或真菌中作为合子才呈现二倍体状态的生物组织

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。