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ovarian    
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  卵巢
    Molecular cloning of ovarian P450arom gene and its expression in male and female yellow catfish Pelteobagrus fulvidraco
    黄颡鱼卵巢P-450arom基因的克隆及组织表达
短句来源
    Expression of Eriocheir sinensis Ovarian EJO1 Gene in E.coli BL21 (DE3)
    中华绒螯蟹卵巢EJO1基因在大肠杆菌BL21(DE3)中的表达
短句来源
    Effects of GnRH-A and compound Chinese herbal medicine on the Chinese mitten-handed ovarian development
    GnRH-A及复合中药对中华绒螯蟹卵巢发育的影响
短句来源
    The second study suggested that the ovarian differentiation of Varicorhinus macrolepis was happyed 60 days age, it needed about 44 days for ovary to finish the differentiation, then it enters theⅠperiod.
    试验二对泰山螭霖鱼性腺分化的时间进行了研究:卵巢分化发生在60日龄,历经44天分化完全,为Ⅰ期卵巢;
短句来源
    1. Gonadal differentiation of inbreeding F1 in gynogenetic strain I of silver carp appeared at anatomical level after hatching for 35 days, and ovary differentiated first, with the emergency of ovarian cavity as a marker.
    1.鲢雌核发育Ⅰ系近交F_1代在出膜后35天出现性腺分化,先分化出卵巢卵巢腔的出现为分化的最早标志。
短句来源
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  卵巢的
    Two cDNAs encoding Sox9 were derived from yellow catfish (Pelteobagrus fulvidraco ) brain, testis and ovary using RT-PCR. Sequence analysis revealed the ovarian Sox9a2(GenBank accession No.AY684329) was different from brain and testis -derived Sox9a1 (GenBank accession No. AY684328), and the identity rate of cDNA was 77% , amino acids were 84%.
    以黄颡鱼(Pelteobagrus fulvidraco)为研究材料,使用RT-PCR在脑、精巢和卵巢分离和克隆到了黄颡鱼Sox9基因,序列比对分析表明,脑和精巢Sox9基因序列一致,称Sox9a1(GenBank acces-sion N o.A Y684328),卵巢的则与其有差异称Sox9a2(GenBank accession No.A Y684329)。
短句来源
    On the basis of the color and size of the follicles, the development of ovarian is divided into 4 phages: under-developed phage, developing phage and the phage of ovulation.
    根据其滤泡的颜色、大小,卵巢的发育可分为4个阶段:未发育期、发育期、排卵期和恢复期。
短句来源
    MOE at pre vitellogenesis, vitellogenesis and redeveloping stages had highly significant enhancement on total RNA of ovarian fragment at vitellogenesis stage.
    处于卵黄发生前期、卵黄发生期和恢复期卵巢的MOE对卵黄发生期的卵巢小块总RNA含量升高均有极显著作用。
短句来源
    Four kinds of hormones (17α hydroxyprogesterone, 5 hydroxytryptamine, prostaglandin E and juvenile hormone Ⅲ) were injected into the parent shrimp Penaeus chinensis with a dose of 10 ng/g for stimulation of ovarian development The results showed that 17α hydroxyprogesterone and 5 hydroxytryptamine had significant stimulation of the shrimp ovary,and the gonad somatic index (GSI) increased by 50 0% and 44 7% respectively over the control group.
    研究了 4种不同激素 (17α -羟孕酮、 5-羟色胺、前列腺素和保幼激素 -Ⅲ )的体外注射对中国对虾 (Penaeuschinensis)卵巢发育的作用效果 . 试验结果显示 :用 10 0ng/g浓度的 17α 羟孕酮和 5 羟色胺注射亲虾对对虾卵巢的发育有明显的刺激作用 ,生殖指数分别比对照组增加了 50 0 %和 4 4 7% .
短句来源
    According to the morphologic and histological characteristics, the ovarian development of Scapharca subcrenata can be divided into five phases: the proliferating, growing stage, maturing stage, spawning and resting stage.
    根据毛蚶卵巢的组织学和外部形态特征,可将卵巢发育分为5 个时期:增殖期、生长期、成熟期、排放期和休止期。
短句来源
更多       
  卵巢
    Molecular cloning of ovarian P450arom gene and its expression in male and female yellow catfish Pelteobagrus fulvidraco
    黄颡鱼卵巢P-450arom基因的克隆及组织表达
短句来源
    Expression of Eriocheir sinensis Ovarian EJO1 Gene in E.coli BL21 (DE3)
    中华绒螯蟹卵巢EJO1基因在大肠杆菌BL21(DE3)中的表达
短句来源
    Effects of GnRH-A and compound Chinese herbal medicine on the Chinese mitten-handed ovarian development
    GnRH-A及复合中药对中华绒螯蟹卵巢发育的影响
短句来源
    The second study suggested that the ovarian differentiation of Varicorhinus macrolepis was happyed 60 days age, it needed about 44 days for ovary to finish the differentiation, then it enters theⅠperiod.
    试验二对泰山螭霖鱼性腺分化的时间进行了研究:卵巢分化发生在60日龄,历经44天分化完全,为Ⅰ期卵巢;
短句来源
    1. Gonadal differentiation of inbreeding F1 in gynogenetic strain I of silver carp appeared at anatomical level after hatching for 35 days, and ovary differentiated first, with the emergency of ovarian cavity as a marker.
    1.鲢雌核发育Ⅰ系近交F_1代在出膜后35天出现性腺分化,先分化出卵巢卵巢腔的出现为分化的最早标志。
短句来源
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  ovarian
A trend to increase in the ovarian relative weight and mature egg size with age has been revealed.
      
Two species with a wide range (perch and bream) demonstrated a tendency to decrease in the ovarian relative weight and increase in the definitive oocyte weight in females of populations living in the geographical center of the range.
      
The thermostable fraction of serum samples from patients with ovarian, uterus, and breast cancers and benign ovarian tumor was analyzed using two-dimensional electrophoresis combined with MALDI-TOF(-TOF)-mass spectrometry.
      
Of them, α-1-acid glycoprotein and clusterin are expressly down-regulated in breast cancer, whereas transthyretin is decreased specifically in ovarian cancer.
      
Frequencies of Single-Nucleotide Polymorphisms and Mutations in the BRCA1 Gene in Patients with Hereditary Breast or Ovarian Can
      
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The method of in vitro ovulation of the ovarian fragments of the toad,Bufobufo gargarizans,in a medium containing carp pituitary suspension has been emp-loyed to assess the gonadotropic activity of carp pituitaries collected from the samelocality but in different months of the year.Results of our experimentation indicatethat carp pituitaries collected from February through March have the strongest gona-dotropic effect,while those collected in December the weakest.Potency of the glanddecreases gradually...

The method of in vitro ovulation of the ovarian fragments of the toad,Bufobufo gargarizans,in a medium containing carp pituitary suspension has been emp-loyed to assess the gonadotropic activity of carp pituitaries collected from the samelocality but in different months of the year.Results of our experimentation indicatethat carp pituitaries collected from February through March have the strongest gona-dotropic effect,while those collected in December the weakest.Potency of the glanddecreases gradually from March onwards,and increases gradually after Decemberuntil a maximum is reached in February;thus carp pituitaries exhibit a definitecyclic change in the relative amount of the gonadotropin they contain.This findingimplies that in central China,early spring is the best season for collecting carppituitaries for the use of induced spawning.

本文报道了用蟾蜍离体卵巢跌卵的方法来研究鲤鱼脑垂体里的促性腺激素含量的年周期变化情况,以解决我国鲩、青、鲢、鳙人工繁殖工作中应用鲤鱼脑垂体作为催产剂的质量问题。实验是在1962—1963年进行的。实验结果表明:鲤鱼脑垂体对蟾蜍离体卵巢有明显的跌卵效果;鲤鱼脑垂体里的促性腺激素是常年存在的,但随季节的不同而含量亦有所不同。全年中以2—3月份的脑垂体里促性腺激素的含量最高,10月份为最低,其他月份则是逐渐递升与递减的关系,因而呈现出一明显的年周期变化规律,这对指导收集鲤鱼脑垂体的最适季节具有一定的实用意义。对鱼类脑垂体的生理探讨方面也提供了一些新的资料。

This paper presents the cycle of histological changes in the ovary of the icefish(Protosalanx hyalocranius Abbott). Samples were collected from Chongming andJinshan, along the coast of the Dong Hai Sea near Shanghai. The course of ovarian maturation is divided into six stages and a recoveredstage of Ⅵ--Ⅲ′. The ovaries devrelop to Stagu I in April-May;Stage Ⅱ in June-Oct.;Stage Ⅲ in early Nov.; Stage Ⅳ in mid-Dec. The mature rish spawn at the end ofDec. and continue to April of the next year. After the...

This paper presents the cycle of histological changes in the ovary of the icefish(Protosalanx hyalocranius Abbott). Samples were collected from Chongming andJinshan, along the coast of the Dong Hai Sea near Shanghai. The course of ovarian maturation is divided into six stages and a recoveredstage of Ⅵ--Ⅲ′. The ovaries devrelop to Stagu I in April-May;Stage Ⅱ in June-Oct.;Stage Ⅲ in early Nov.; Stage Ⅳ in mid-Dec. The mature rish spawn at the end ofDec. and continue to April of the next year. After the fish released the first batch of eggs, the ovaries regenerate into StageⅥ-Ⅲ′, which continue to develop rapidly into Stage Ⅳ′About half a month laterthe ovaries develop into stage Ⅴ′and are ready for a second spawning. The resulte indicate that this species releases at least fwo batches of eggs during itsreproductive period. It is obvious that the fish is a multiple spawning type After thelast-spawning the parent fish die off. The lifespan of icefish is only one year.

水文对崇明长江口及金山沿海大银鱼的卵巢进行了周年的组织学观察,将大银鱼的卵巢发育划分为六期,还有重复发育的VI—III’期(或III’期)、IV’期和V’期。在生殖时期,至少产二次卵,属多次产卵类型。产卵时间从12月底开始,一直延续到翌年4月。产完卵后鱼体消瘦,不久死亡,寿命仅一年。

The effects of salmon gonadotrophin (GTH)on production of proges-terone, 17α-hydroxyprogesterone. 17α, 20β-dihydroxy-4-pregnen-3-one(17α 20βP),androstenedione, testostone and estradiol by vitel1ogenic ovarian follicles of Atlanticsalmon (Salmo salar)in vitro were examined. The breakdown of germinal vesicle ofoocyte did not occur in both incubations with 0.1 and lμg/ml GTH, only small a-mount of 17α20βP was produced by lμg/ml GTH incubation at the 10th day. The follic-les with 0. 1μg/ml GTH produced two-fold...

The effects of salmon gonadotrophin (GTH)on production of proges-terone, 17α-hydroxyprogesterone. 17α, 20β-dihydroxy-4-pregnen-3-one(17α 20βP),androstenedione, testostone and estradiol by vitel1ogenic ovarian follicles of Atlanticsalmon (Salmo salar)in vitro were examined. The breakdown of germinal vesicle ofoocyte did not occur in both incubations with 0.1 and lμg/ml GTH, only small a-mount of 17α20βP was produced by lμg/ml GTH incubation at the 10th day. The follic-les with 0. 1μg/ml GTH produced two-fold amount of oestradiol than that with 1μg/mlGTH incubation. Progesterone, 17α--hydroxyprogesterone, androstenedione and testo-sterone were produced by the stimulation of GTR in a dose-dependent manner. Theresults indicate that vitellognic follicles show differnt responss to low or high doseof GTH stimulation. Oesthradiol production is the major biosynthesis pathway of sex ster-oids by late vitellogenic follicles in Atlantic salmon and it is responsible for oocyte vi-tellogenesis. A low dose of GTH is more effective on stimulating oestradiol production.

应用大麻哈鱼(Oncorhynchus keta)促性腺激素(GTH)诱发大西洋鲑(Salmosalar)卵黄发生期的离体卵巢滤泡(直径为3.4毫米)产生性类固醇激素的研究表明,不论用0.1或1微克/毫升GTH刺激,经培育10天后,未出现卵母细胞卵核消失的现象,卵核偏位也不明显。对培养液中17α,20β-双羟孕酮(17α20βP)的积累浓度测定结果,仅1微克/毫升GTH组含少量的17α20βP;0.1微克/毫升GTH组,培养液中雌二醇的积累浓度明显高于对照组和1微克/毫升GTH组,并为后者的两倍。除雌二醇外,孕酮,17α-羟孕酮,17α20βP,雄烯二酮和睾酮的产生,都呈现对GTH剂量的依赖关系,1微克/毫升GTH组的产生量明显高于0.1微克/毫升GTH组和对照组。离体研究的结果表明,处于卵黄发生期的卵巢滤泡对低剂量(0.1微克/毫升)和高剂量(1微克/毫升)GTH的反应不同。低浓度的GTH,引起性类固醇激素生物合成的途径沿着形成雌二醇的方向进行,雄激素被芳香化成雌激素,雌二醇再而刺激肝脏合成卵黄物质的前体,从而促进卵黄发生。高浓度的GTH,有抑制雌二醇合成的作用,而是促使卵母细胞向着最终成熟的方向发展,使住...

应用大麻哈鱼(Oncorhynchus keta)促性腺激素(GTH)诱发大西洋鲑(Salmosalar)卵黄发生期的离体卵巢滤泡(直径为3.4毫米)产生性类固醇激素的研究表明,不论用0.1或1微克/毫升GTH刺激,经培育10天后,未出现卵母细胞卵核消失的现象,卵核偏位也不明显。对培养液中17α,20β-双羟孕酮(17α20βP)的积累浓度测定结果,仅1微克/毫升GTH组含少量的17α20βP;0.1微克/毫升GTH组,培养液中雌二醇的积累浓度明显高于对照组和1微克/毫升GTH组,并为后者的两倍。除雌二醇外,孕酮,17α-羟孕酮,17α20βP,雄烯二酮和睾酮的产生,都呈现对GTH剂量的依赖关系,1微克/毫升GTH组的产生量明显高于0.1微克/毫升GTH组和对照组。离体研究的结果表明,处于卵黄发生期的卵巢滤泡对低剂量(0.1微克/毫升)和高剂量(1微克/毫升)GTH的反应不同。低浓度的GTH,引起性类固醇激素生物合成的途径沿着形成雌二醇的方向进行,雄激素被芳香化成雌激素,雌二醇再而刺激肝脏合成卵黄物质的前体,从而促进卵黄发生。高浓度的GTH,有抑制雌二醇合成的作用,而是促使卵母细胞向着最终成熟的方向发展,使住类固醇生物合成的途径转向形成大量雄激素和孕激素,特别是17α20βP。这与已充分生长和卵黄积累完成的卵巢滤泡离体试验的结果一致,与活体观察以上各种性类固醇激

 
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