The new technique checks the chromosomes in the polar body.
这项新技术用于检查极体中的染色体是否异常。
Conclusion Zygotes and embryo quality can be predicted by morphology of the first polar body.
结论通过卵细胞第一极体形态可预测受精卵及卵裂期胚胎质量。
CB can increase the two pronuclei formation rate of oocytes by inhibiting the extrusion of second polar body.
CB能抑制卵母细胞激活后第二极体排出，从而提高原核的形成率。
To make sure the enucleation, ultraviolet light is used to check DNA located in the polar body and the metaphase plate.
为了确保细胞的去核，使用了紫外光检查位于极化体和中期板中的DNA。
The results indicated that nutria oocytes, like other rodent oocytes, can be matured in vitro, complete first meiotic division and discharge first polar body.
结果表明海狸鼠卵母细胞与其它啮齿动物的卵母细胞一样，能够在体外培养成熟，完成第一次减数分裂，排出第一极体。
A healthy egg carries 46 chromosomes - 23 pairs - but before it can be fertilised it needs to ditch 23 of these, which it packages into a structure called a polar body.
一个健康的受精卵有46个染色体(23对)，但在它能分化之前，它必须先分为23个一组，形成极体。
The technique, called polar body array comparative genomic hybridisation, is the first that can check all of an egg's chromosomes to see if any are missing or duplicated.
这项新的技术是利用一种叫作极体的物质携带CGH，它能率先检测出卵细胞的染色体是否丢失是否已经复制。
Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.
目的探讨卵细胞第一极体形态与原核期受精卵形态、卵裂期胚胎质量的关系。
To check an egg for chromosomal abnormalities, doctors use a laser to make a small incision in the outer membrane, which allows them to extract the polar body and the chromosomes it contains.
为了检查一个卵细胞的染色体是否异常，医生用激光在卵细胞外膜上切一小口，通过这个小口抽取极体及其所含的染色体。
As the ocean warms, a body of water called the Antarctic Polar Front—an upward movement of nutrient-rich sea that supports a huge abundance of marine life—is being pushed further south.
随着海洋变暖，一种被称为南极极锋的水体正被逐步推向南方；南极极锋是一种富含营养的海洋向上运动，它支持着大量海洋生物的生存。
As the ocean warms, a body of water called the Antarctic Polar Front—an upward movement of the nutrient-rich sea that supports a huge abundance of marine life—is being pushed further south.
随着海洋变暖，一个被称为南极极锋的水体——一个支持大量海洋生物生存的营养丰富的海水上升运动——正被进一步推向南方。
The Great Lakes comprise the largest collective body of fresh water on the planet, containing roughly 18 percent of Earth's supply. Only the polar ice caps contain more fresh water.
五大湖区是全球最大的淡水“蓄水池”，地球上大约18%的可利用淡水（都在这）——除此之外，只有极地的冰盖才能贮藏更多的淡水。
In the western portion of the bay, the ice begins to melt in late spring. The polar bears then go into hibernation, living off reserves of body fat until the sea freezes again.
在哈德逊湾的西部地区，冰雪在晚春就会开始融化，此时北极熊将进入夏眠，以消耗自身存储的脂肪为生，直到海面再次结冰。
The polar bear's scientific name means "sea bear" because it's the only bear that has a body made for living in water.
有趣的常识：北极熊的学名叫“海洋熊”，因为它是唯一身体能适应水中生活的熊类。
Small to medium-sized marsh birds similar in body shape by cranes, rails are found throughout the world, except in the polar regions.
体型上跟鹤相似的、小到跟中等体型的沼泽鸟一样，秧鸡可以在除了极点地区的整个世界范围内被找到。
Two layers of fur and thick fat act as superb insulation, helping polar bears retain virtually all their body heat.
两层毛皮和肥厚的脂肪具有绝佳的隔热效果，可帮助北极熊保留几乎全部的体热。
Fried frying oil, heated Fried frying oil and polar compounds in the frying oil are having influence in lipid metabolism and activity of body anti-oxidation.
煎炸后煎炸油、加热后煎炸油以及煎炸后煎炸油中的极性物质对脂质的代谢以及抗氧化系统都将产生影响，从而影响健康。
Fried frying oil, heated Fried frying oil and polar compounds in the frying oil are having influence in lipid metabolism and activity of body anti-oxidation.
煎炸后煎炸油、加热后煎炸油以及煎炸后煎炸油中的极性物质对脂质的代谢以及抗氧化系统都将产生影响，从而影响健康。
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