1例部分性葡萄胎为三倍体,69,XXY,来源为双精子与一卵子结合而成。文章对完全性葡萄胎和部分性葡萄胎的发生来源做了简要的讨论。
互联网摘选
Egg cell and sperm cells. Schematic drawing showing their relative sizes.
卵子细胞与精子细胞. 按照相对大小所绘示意图.
期刊摘选
In human reproduction,one female egg is usually fertilized by one spunk.
在人体生殖过程中,一个精子使一个卵子受精。
词典精选例句
Its purpose is to liquefy the semen to release sperm, freeing them to fertilize an egg.
它的作用是溶解精液释放精子, 使其易于和卵子受精.
网络文摘精选
Mature eggs are placed in an IVF culture an incubator to await fertilization by the sperm.
将成熟的卵子放在体外受精培养液里,放进培养箱等候精子并受精.
网络文摘精选
In vitro, the acrosome reaction of sperm does not influence the ovum fertilization rate.
在体外, 精子顶体反应率的高低与卵子受精率没有明显的相关性.
网络文摘精选
相反, 非激素避孕通过阻止男人精子和女人的卵子相遇.
网络文摘精选
In human reproduction, one female egg is usually fertilized by one sperm.
在人体生殖过程中, 一个精子使一个卵子受精.
《简明英汉词典》
