查询词典 germ-cell

In this paper,the researches on β-catenin in the development of tooth germ, odontogenic tumor and tooth regeneration are reviewed,which may be useful to related basic studies.

本文就β-caten in在牙胚发育、牙源性肿瘤、牙齿再生方面相关研究的进展做一综述，望对进一步研究有所启示。

Objective To study the effect of tamoxifen on the proliferation and apoptosis of germ cells and to evaluate its clinical application to idiopathic oligospermia.

目的 探讨它莫昔芬对原因不明少精子症患者睾丸细胞增殖与凋亡的影响。

However, in insects with panoistic ovarioles containing no nurse cells, it is uncertain whether or not they contain maternal germ plasm or nuage.

然而，在不具有营养细胞的无营养细胞型微卵管中，母系生殖浆或生殖云是否存在仍属未定。

First:ecology mode:to establish protection field in patria and protect,supplementary and recovery the biogeocoenosis and natural germ,in order to increase the output.

一 生态化生产：在冬虫夏草原产地建立保护生产区，完全利用产地自然条件，通过对生态环境和天然菌、虫资源的保护、补充和恢复，增加天然冬虫夏草的产量。

The karyotypes of four species in Pentatomidae were studied in male germ cells prepared on air dried slides stained with Giemsa.Karyotype analyses using specific software are made for the first time in pentatomid karyotypic study and model karyotype charts are presented.

研究了4种中国蝽科昆虫的核型和染色体的减数分裂行为，并首次在半翅目中采用核型分析软件对第一次减数分裂中期的染色体进行核型分析。

The pathogen was i dentified as Botryosphaeria ribis,which belongs to Ascomycotina.The asexual pathogen was Phoma moricola Sacc,which belongs to Deuteromycotina. The stitable conditions for germ feat growth w ere temperature: 30, pH:7.0, relative humidity 98% in 3% maltose. Carbendazim and asomate could control thi s disease effectively.

研究表明：（1）该病是由子囊菌亚门茶子葡萄座腔菌所致，无性为半知菌亚门桑茎点菌；（2）该菌适宜生长的温度为30℃，pH为7.0 ；3%麦芽糖和 98%相对湿度对无性孢子萌发极为有利；（3）多菌灵和福美砷能有效控制该病。

Feather growth begins with a thickening of the epidermis called the placode, which elongates into a tube— the feather germ.

首先，表皮上的基板开始增厚，并拉长成一根管子，称为羽芽（上方〈毛的成长过程〉。

The epidermis dominant the changes. Mesenchymal is subordination.β-catenin expression begin from placode epidermis stage and go up increasingly as well as peak value maintain to hair follicle. The range of mesenchymal change is less. SHH expression transform is dramatically to stimulate the placode-germ-peg-hair follicle.

结果表明，在睫毛毛囊的形态发生中表皮－间充质相互作用以表皮为主导间充质随着表皮而变化，β-catenin从基板表皮开始表达，逐渐增强，从毛芽至形成毛囊维持高水平，间充质变化幅度较小；Shh则在睫毛形态发生中变化剧烈，刺激基板－毛芽－毛钉－毛囊。

The research of this paper is the first step of the System of Germ Plasm Resource Construction,the aim of that system is to build a platform on data management.

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With Zhonghuang 35 as tested materials, the seed germination experiments of soybean were carried out by using 0.01, 0.10, 1.00 and 10.00 mg/L NAA. After culture for 7 d, the germination rates and the lengths of plumular axis, radicle as well as germ of soybean seeds were measured to compare the effects of NAA with different concn. on the plumular axis length and hypocotyls-radicle ratio when the soybean seeds germinated.

方法］以中黄35为供试材料，采用不同的NAA浓度(0.01、0.10、1.00、10.00 mg/L)对黄豆种子进行萌发培养试验，培养7 d后分别测量黄豆种子的萌发率以及胚轴、胚根和胚芽的长度，比较不同浓度的NAA对黄豆种子萌发时的胚轴长、胚轴胚根比的影响。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。