目的用胚胎移植技术评价醋酸铅对啮齿类动物的生殖毒性。
Objective Evaluate the reproduction toxicity of lead acetate to rodent with the embryos transplant technology.
并且公开了一种用于检测哺乳动物的生殖状况，特别是发情周期的方法。
Also disclosed is a method of detecting the reproductive status, in particular the oestrus cycle, of a mammal.
腹腔镜技术是一种简单易于学习和掌握的技术，适用于对各种动物的生殖道进行操作和观察。
Laparoscopy offers a simple and easily learned technique for the observation and manipulation of the reproductive tract in a wide variety of animals.
过去曾对双酚a对雄性动物的生殖系统影响进行过研究，而对人的生殖能力影响的研究，现在还是第一次。
Both studies are the first to look at BPA's reproductive effect in humans. The adverse effect of BPA on the male reproductive system previously had been examined in animal studies only.
正如发现巨蜥单性生殖的英国的动物园管理员所描述的，像等公共汽车一样，等了好长时间，然后一群小蜥蜴就一股脑地都出来了。
As the British zookeeper who discovered virgin births in Komodos put it, rather like buses, you wait for ages and then loads of them come along all at once.
对动物的研究已经表明，丙烯酰胺能够引起生殖问题和癌症。
Studies in animals have also shown that acrylamide causes reproductive problems and cancer.
罗哲西说，“有袋类动物只是选择了一条不同的生殖策略。”
Marsupials just optioned for a different reproductive strategy.
农场主卖了一些动物，但是还有一些仅仅用于生殖新的幼崽。
The farm sells some animals, but some of them are kept only for procreation.
正如发现巨蜥单性生殖的英国的动物园管理员所描述的，像等公共汽车一样，等了好长时间，然后一群小蜥蜴就一股脑地都出来了。
As the British zookeeper who discovered virgin births in Komodos put it, rather like buses, you wait ages and then loads of them come along all at once.
数亿的微小海洋动物和植物繁衍生殖并沉到海底。
Countless billions of minute sea creatures and plants lived and sank to the sea bed.
人为造出此类动物的这一事实意味着我们现在可以跨越遗传学上哺乳动物不能进行单性生殖的障碍——至少实现了老鼠的单性生殖。
The fact that they were able to make such animals means that we can now get over the genetic barriers to a mammalian virgin birth - in mice at least.
在BPA的动物实验中发现低剂量的这种物质可以造成疾病，尤其怀孕和包括癌症和生殖问题。
Animal studies on BPA found that low-dose exposure, particularly during pregnancy, may be associated with a variety of ills, including cancer and reproductive problems.
显然，这种逆转录病毒基因填补了哺乳动物生物学的一个小生境，但是从另一方面来说，在第一次感染此类病毒以前，哺乳动物已经能够完美的生殖了。
Clearly, this retroviral gene fills an important niche in mammalian biology, but, on the other hand, mammals were able to reproduce perfectly well before they were first infected.
“如果你在动物模型上模拟辅助生殖你会发现答案是肯定--它能影响DNA的甲基化”。
When you use animal models and do the things that are commonly done in assisted reproduction, the answer is yes—it affects DNA methylation.
结论：该动物模型生殖内分泌激素与神经递质两方面均较好地反映了更年期抑郁症的病理生理变化。
CONCLUSION:This animal model reflects the physiopathological changes of menopause depression disease in the aspects of productive endocrine hormone and neurotransmitter.
环带，生殖带某些环节动物蠕虫表皮的膨胀、含腺的鞍状带，例如蚯蚓，分泌一种粘性液体而在其卵上形成一层防护层。
A swollen glandular saddlelike region in the epidermis of certain annelid worms such as the earthworm that secretes a viscous fluid to form a cocoon for their eggs.
结果：具有生殖毒性中药的毒性成分主要为生物碱、苷类、毒蛋白、动物毒素、酚类和重金属等。
Results:The main ingredients with reproductive toxicity are alkaloids, glycosides, toxoprotein, animal toxins, phenols, heavy metals etc.
内分泌干扰物是一类能够影响人类和动物生殖发育的化学物质。
Endocrine disrupting chemicals (EDCs) are a group of compounds, which can affect human and animal reproduction and development.
在动物如何择偶方面，大多数研究的着眼点都放在了伴侣之于对方身体上某种能够很好地表明其基因般配性的特征的偏爱程度上面，而这种般配性通常又是以生殖成功率来衡量的。
MOST research into how animals choose their mates looks at how partners show preference for certain physical traits, which may well indicate genetic fitness-usually measured as reproductive success.
大量证据表明环境激素可以干扰人类生殖健康和其他动物的繁殖能力。
Numerous evidences show that the environmental hormone can disturb the reproductive health of humankind and the multiplication of other animals.
瘦素作为连接营养与生殖的代谢信号，具有启动和促进啮齿类动物性发育的作用，在人类青春期发育中有相似的作用。
Leptin is a trigger for puberty onset in rodents, as a metabolism signals to link reproductive function to the nutritional status, and has a similar effect in childhood growth and development.
结合环境激素的概念、分类，以及对人类和动物生殖机能的影响，着重探讨了环境激素作用的机理。
Emphasizes the conception, classification, the effect of procreative enginery of human and animals, and discusses the mechanism of environmental hormone.
胚胎着床是人和哺乳动物生殖过程中妊娠建立的第一步，是决定妊娠成功与否的关键。
Embryo implantation is one of the earliest events in reproduction of humans and mammals that determines whether pregnancy will develop successfully.
哺乳动物的胚胎植入是生殖过程的一个重要环节，是妊娠的关键。
Mammalian embryo implantation is an important step of the reproductive process, and is critical to pregnancy.
污染物对蛙类生殖腺发育的影响会导致两栖动物种群的衰退。
The influence of pollutants on the frog gonad growth might lead to decline of amphibian animal population.
大核原生动物纤毛虫类体中两个细胞核中较大的一个，控制细胞的非生殖性功能，如新陈代谢。
The larger of two nuclei present in ciliate protozoans which controls nonreproductive functions of the cell such as metabolism.
大核原生动物纤毛虫类体中两个细胞核中较大的一个，控制细胞的非生殖性功能，如新陈代谢。
The larger of two nuclei present in ciliate protozoans which controls nonreproductive functions of the cell such as metabolism.
应用推荐