卵子

In human reproduction,one female egg is usually fertilized by one sperm.

人体生殖过程中,精子使卵子受精。

Only one sperm fertilises an egg.

只有精子使卵子受精。

The fish, smallmouth and largemouth bass, were male but neertheless carried immature eggs.

这种小口黑鲈和黑鲈为雄性，却带有未成熟卵子。

To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs.

某种程度上表明：精子膜蛋白可能是雌核发银鲫卵子进行雄核发键因素。

The secondary oocyte now divides again into two new cells of unequal size: a relatively large ootid (mature egg cell) and a minute second polar body.

此时，次级卵母细胞又分裂成两大小不对等新细胞：相对很大卵子（成熟卵细胞）和微小次级极体。