查询词典 embryo
- 与 embryo 相关的网络例句 [注：此内容来源于网络，仅供参考]
-
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。