It takes about 175, 000 sperm cells to weigh as much as a single egg cell.
一个卵细胞的重量相当于约175 000个精细胞的重量。
We focused on several key events during fertilization from membrane fusion to karyogamy of sperm cells and egg cells.
探讨了从精细胞和卵细胞质膜融合到它们的核融合完成这一发育阶段的某些主要事件。
This couldhappen because a chimeric twin that grew from an egg which his sperm did notfertilise would nonetheless have some skin cells containing his genes.
发生此类现象是因为一个嵌合双胞胎会产生于没有得到雄性动物施精的卵, 但它会在某些皮肤细胞中含有该雄性动物的遗传基因.
Long believed to exist only in the brains of humans and other great apes, in 2006 spindle cells were discovered in the same brain areas in humpback whales, fin whales, killer whales, and sperm whales.
长久以来梭形细胞被认为只存在于人类和其他类人猿的大脑中，直到2006梭形细胞也在座头鲸、长须鲸、虎鲸和抹香鲸大脑的同样区域上被发现。
Dr. Barres and his colleagues are now expanding on the study by comparing epigenetic patterns in the sperm of obese fathers with the patterns in the blood cells of their offspring.
巴雷斯博士和同事们现在正进一步深化研究，对肥胖父亲与其后代的血细胞中的表观遗传学模式进行比较。
It is the first time in the world that this has been achieved using somatic cells (cells that are not sperm or egg cells) from any animal with hooves (known as ungulates).
这是全世界首次使用任何有蹄脚的动物(被称为有蹄类动物)的体细胞(不是精细胞或卵细胞的细胞)实现了这一成果。
It is the first time in the world that this has been achieved using somatic cells (cells that are not sperm or egg cells) from any animal with hooves (known as ungulates).
这是全世界首次使用任何有蹄脚的动物(被称为有蹄类动物)的体细胞(不是精细胞或卵细胞的细胞)实现了这一成果。
应用推荐