在生长发育中

IGFs play a key role during the chicken embryo, development, differentiation and growth afterbirth.

胰岛素样生长因子在鸡的胚胎及胚后发育、分化和生长过程中起着关键性作用。

These PUFAs are considered to be essential to many marine animals such as fish, brine shrimp and shellfish.

它们在水产养殖中对鱼、虾、贝幼体的生长和发育极为重要，缺乏EPA和DHA会造成幼体生长迟缓和大量死亡。

Bone morphogenetic protein 15 is only expressed in oocytes. Oocyte-specific BMP-15 might promote follicle growth in vivo, while preventing premature luteinization.

骨形态发生蛋白 15(BMP-15)基因在卵母细胞中特异表达，对卵泡的生长发育起着重要的调节功能，具有推动卵泡生长，阻止黄体早熟的作用。

AIM: The effects of nerve growth factor on the proliferation andcell cycle of human dental papilla mesenchyme cells were detected to evaluate its possible roles in tooth development.

目的：观察神经生长因子对人牙乳头间充质细胞增殖和细胞周期的影响，探讨其在牙胚生长发育过程中的可能作用。

And 93. 4 (6. 8) that appear in the phase of microspore maturation, are probably related to spermatogenesis and spermatid development.

在所试的植物生长物质中，IBA、BA和ABA对荔枝的雌蕊发育具有促进效应；GA对雌雄蕊的发育没有显著影响。

The aberrant phenotypes were observed in the anther of tobaccotransformed with ZM401 sense construct: the inflorescence growth and floral axiselongation are suppressed; the flower buds falling or flowers abscission earlier wereobserved. The degradation of tapetum are not observed at the binucleate pollen stagewhich corresponds to the mature stage, although the tapetal cells of untransformedtobacco anther at the same stage have already degenerated completely anddisappeared.

对转基因烟草进行形态学、组织学分析结果表明，ZM401基因以反向方式整合的转基因烟草表现一切正常，而含有ZM401正义基因的转基因烟草在表型和组织学上都出现了异常：花序生长缓慢，花序轴变短，生长过程中花逐渐脱落，花序轴褐化枯死；花药绒毡层退化延迟，药室内壁在雄配子体发育后期不能进行带状加厚，阻碍了花粉粒的释放。

Whereas there were no significant differences between macrosomia and the normal group in all above items.

IUGR儿胎盘EGFR表达增加与其胎盘绒毛发育不良有关，EGFR在胎儿胎盘的生长发育及IUGR的发生中起重要调节作用。

But embryo got through 2-cell block after H2O2 treatment occurred compensatory growth in later development, there were no differences with the embryo cell number and the cleavage index compared with normal developmental embryo.

但是经H_2O_2处理之后渡过2-细胞期阻滞的胚胎能在以后的发育中发生补偿性生长，其胚细胞数和分裂指数都和体外正常发育的胚胎没有差异。

PART ONE CONSTRUCTION OF VECTOR CARRYING HUMAN INSULIN-LIKE GROWTH FACTOR-1 GENE AND THE GENE EXPRESSION IN EUCARYOTE Insulin-like growth factor-1(IGF-1) is one of the most important regulate factors which can stimulate cartilage cell to differentiate and synthesis collagen typeⅡand proteoglycan to maintain cartilage phaenotype.

第一部分：携带hIGF-1基因重组载体的构建及在真核细胞的表达胰岛素样生长因子-1(IGF-1)是在软骨发育和软骨自稳态调节中最重要的生长因子之一，能刺激软骨细胞分裂增殖，并促进软骨细胞合成Ⅱ型胶原和蛋白聚糖，维持软骨细胞的表型等。

During the development of American cockroach,the activities of protease,lipase,amylase and sucrase were stronger gradually.

在美洲大蠊生长发育阶段，中肠蛋白酶、脂肪酶、淀粉酶和蔗糖酶活性都随其发育而逐渐增强。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。