查询词典 sac

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。

A minute structure in seed plants,containing the embryo sac and surrounded by the nucellus,that develops into a seed after fertilization .

胚珠种子植物的一个小的结构，含有胚囊并被珠心所包围，施肥后长成种子受精的产物是杂合子。

Embryological observations on Crawfurdia delavayi, Tripterospermum cordatum, T. chinense, Gentiana striata and Pterygocalyx yolubilis show that the group under study is greatly diverse in differentiation and development of anther wall, type of ovule and placentae, synergid and antipodal cell in embryo sac, testa and embryogeny etc. The embryological characters are different among Crawfurdia, Tripterospermum and Gentiana Sect.

胚胎学 本文对披针叶蔓龙胆C.delavayi、双蝴蝶T.chinense、峨眉双蝴蝶T.cordatum、条纹龙胆G.striata和翼萼蔓P.voiubilis作了较详细的胚胎学研究，这些类群在花药壁的分化和形成、胚珠和胎座类型、卵器中的助细胞和反足细胞、种皮以及胚发育等特征上存在差异，并且在胚胎学特征上各自拥有原始和进化的性状。

The result suggests that the surface structure of endolymphatic duct and sac in guinea pigs is related with the metabolism of endolymph.

内淋巴管及内淋巴囊各部分的结构存在明显的不同，各有特点，这种结构特点可能与其在内淋巴代谢中的不同作用有关。

Objective To explore the machanisms of histopathologic changes with constriction of conjunctival sac post enucleation of eyeball.

目的 通过观察眼球摘除术后结膜下组织的病理变化，探讨结膜囊缩窄发生的病理机制。

Then they came to Zerubbabel, and to the chief of the fathers, and said unto them, Let us build with you: for we seek your God, as ye do; and we do sac***fice unto him since the days of Esarhaddon king of Assur, which brought us up hither.

4：2 就去见所罗巴伯和以色列的族长，对他们说，请容我们与你们一同建造。因为我们寻求你们的神，与你们一样。自从亚述王以撒哈顿带我们上这地以来，我们常祭祀神。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。