囊胚

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。

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。

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 high potassium ferricyanide method is a practical and quantitative approach to detect the CAM angiogenesis.

高铁氰化钾法是一种实用的可定量检测鸡胚绒毛尿囊膜新生血管的实验方法。

Female gametogenesis in higher plants undergoes various developmental changes, including the de novo formation of germline cells, the differentiation of the megaspore mother cell, meiosis, megaspore selection, and the development of the embryosac.

高等植物雌配子体的形成涉及孢原细胞和大孢子母细胞的确立与分化、大孢子发生、功能大孢子以及胚囊的形成和发育等多种复杂调控过程。随着当代生物技术及功能基因组学的发展，近年对雌配子体发育的研究已从细胞学描述逐渐过渡到对基因和发育调控分子机理的探索。

Benign cystic teratomas are well-differentiated tumors composed of a variety of parenchymal cell types representative of more than one germ layer, usually all three. The most common locations are the gonads and sacrococcygeus.

成熟囊状畸胎瘤是一种良性且分化良好的肿瘤，由胚胎原始细胞分化而成，由多於一层胚层之组织而成；好发位置为性腺体、骶骨与尾骨部或纵隔腔，十分罕见於头颈部。

It was a creative research method that by means of the culture in vitro of unfertilized ovary of strawberry to induce the gynogenesis and obtain the gynogenic plants with half number chromosomes.

首次对草莓未受精子房进行了离体培养，诱导了雌核发育，并获得了染色体数减半的胚囊植株。这是继草莓花粉植物后，开辟的获得草莓单倍体植株的又一条途径。

The inoculation method chick embryo inoculation, isolation and culture of virus solutionApplication Test hemagglutination test and hemagglutination inhibition.

采用鸡胚接种法中的尿囊腔接种法，分离培养提供的病毒液，应用血球凝集试验和血凝抑制试验检测。

Wheat embryo extract, Chamomile extract, collagan, Hyaloplasmic acid, squalane, propanediol, Glycerin, E vitamin E, Acetate, Allantoin, Alligator pear oil, Aloe extracted liquid, Maltodextrin

小麦胚芽提取物、洋甘菊提取物、胶原蛋白、透明质酸、角鲨油、十六醇、丙二醇、二甲基硅氧烷、甜杏仁油、甘油、维生素、醋酸酯、尿囊素、鳄梨油、霍霍巴油、芦荟萃取液、麦芽糊精、红没药醇。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。