| 1. | Two or more ova are shed during the same heat period .
在同一发情期排出两个或数个卵子。 |
| 2. | By day 11 the ovum begins to attach and implant in the lining of the uterus .
到第11天卵子着床嵌入子宫内壁。 |
| 3. | Differences in the size of eggs depend almost entirely on the amount of accumulated deutoplasm .
卵子大小的差异几乎完全取决于所积累滋养质的数量。 |
| 4. | If an egg is fertilized, the body automatically absorbs it and the extra tissue from the uterus .
如果卵子未能受精，它和子宫内的其他组织则自动地被身体所吸收。 |
| 5. | It performs both an exocrine(egg release)and endocrine(estrogen and progesterone secretion)function .
卵巢同时具有外分泌（释放卵子）和内分泌（产生类固醇激素）的功能。 |
| 6. | A single egg is released in the case of a cow and several eggs in proliferous animals such as hogs .
一头母牛一次只排出一个卵子，而象猪这样的多产动物则一次能排出好几个卵子。 |
| 7. | Research progress of cryopreservation of human oocytes
人卵子冷冻保存的研究进展 |
| 8. | Ideally accept the donor nucleus as its own
卵子就把输入的细胞核当成是自己的 |
| 9. | Conception occurs when a sperm fertilizes the egg
当精子使卵子受精时便产生受孕。 |
| 10. | Ideally accept the donor nucleus as its own
卵子就把输入的细胞核当成是自己的 |
