查询词典 embryo

The mature embryo sac has 7 nucleuses in solar greenhouse.

在日光温室条件下形成的成熟胚囊都是7核胚囊。

The development of the embryo sac belongs to the 'polygonum' type.

通过花粉电镜扫描，发现锥栗具有丰富的遗传多样性。

The pollen and embryo sac fertility were controlled by two sets of different genes, and both of them made contributions to F〓 spikelet fertility.

花粉育性和胚囊育性分别出不同的遗传基因控制，两者共同决定小穗育性的高低。

In the gymnosperms the megaspore gives rise to a cell that is termed the embryo sac because of its similarity to the angiosperm structure.

在裸子植物中，大孢子也产生一个细胞，因为它类似于被子植物的胚囊细胞，故也可以称之为胚囊。

Nucellar cells degenerated in advance under low temperature, which resulted in thickened embryo sac wall surrounding the megasporocyte.

低温处理的蝴蝶兰，胚囊发育过程中珠心细胞提前退化，在大孢子母细胞外围形成较厚的胚囊壁。

Est-1 only express in the stage of 8-nucleat embryo sac and metaphase I of meiosis.

Est-1在八核胚囊时期和大孢子母细胞减数分裂I中期表达。

As the male gametophyte, pollen delivers sperm to the embryo sac for fertilization by pollen-tube polarized growth.

花粉作为种子植物的雄配子体，通过萌发后极性生长的花粉管将精细胞送到胚囊完成受精作用。

Further studies should be done to confirm if Est-4, Acp-2 and Acp-3 could regulate the development of 8-nucleat embryo sac.

授粉后Est和Acp的酶位点变化说明与胚珠发育相关的一系列基因表达有时序性，位点Est-4、Acp-2和Acp-3是否直接参与了八核胚囊发育的控制，有待于进一步的研究。

Under normal circumstances, 42 days after menopause through B ultrasonic examination to the pregnant and the embryo sac, but if you are not allowed to view the ovulation, fertilization implantation time baby will be about 1 week back, so the doctor recommended some menopause 50 days to do the first time the B-ultrasonography.

一般情况下，停经42天后能通过B超检查到孕囊和胚芽，但如果你的排卵期不准，宝宝受精着床的时间会退后1周左右，所以，也有一些大夫建议停经50天后做第一次的B超检查。

The development of embryo sac is of the Polygonum type.

珠孔受精，受精作用属于有丝分裂前类型。

If you are committed to an education career, then the Master of Arts in Education from Ashford University is for you.

如果你是致力于教育事业，那么，艺术教育硕士学位阿什福德大学是给你的。

objective:to explore the expression of survivin protein and its mrna in rectal cancer and their clinic significance.

目的：研究凋亡抑制因子survivin蛋白及其mrna在直肠癌组织中的表达及其与临床病理关系。