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个大小不对等的新细胞:一个相对很大的卵子(成熟卵细胞)和一个微小的次级极体。
单词 | Secondary oocyte |
释义 |
Secondary oocyte
英语例句库
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个大小不对等的新细胞:一个相对很大的卵子(成熟卵细胞)和一个微小的次级极体。
原声例句
Osmosis-解剖与生理 After ovulation, the secondary oocyte makes a very quick journey through the peritoneal space and lands in the fallopian tube. 排卵之后,次级卵母细胞会快速地通过腹膜,最后落入输卵管。 Osmosis-解剖与生理 That's when the nearly 2 centimeter sized follicle ruptures and releases the tiny secondary oocyte into the fallopian tube. 此时将近2cm的卵泡破裂,向输卵管释放出次级卵泡。 Osmosis-解剖与生理 The secondary oocyte stops in metaphase of meiosis 2, and waits for fertilization as the menstrual cycle transitions into the luteal phase. 次级卵泡会在第二次减数分裂中期停止分裂,并且在卵泡期向黄体期转换的时候等待受精。 Osmosis-解剖与生理 This triggers the primary oocyte within the dominant follicle to finally complete meiosis 1, and turn into a secondary oocyte, which has 23 chromosomes. 这使得优势卵泡里的初级卵母细胞最终完成第一次减数分裂,变成了有23条染色体的次级卵母细胞。 Osmosis-解剖与生理 The first part is the fimbriae which are the finger-like projections that surround the ovary and guide the secondary oocyte into the fallopian tube. 首先经过的是输卵管的伞部,呈指状突起,包围着卵巢,并且可以引导次级卵母细胞进入输卵管。 Osmosis-解剖与生理 On the inside, the fallopian tubes have smooth muscle with an inner lining that has ciliated cells that slowly sweep the secondary oocyte or zygote towards the uterus. 输卵管内是有纤毛细胞覆盖的平滑肌,这些纤毛可以缓慢地将次级卵母细胞或者受精卵向子宫运输。
中文百科
卵母细胞 Oocyte(重定向自Secondary oocyte)
![]() ![]() ![]() ![]() 卵母细胞(Oocyte)在卵子发生过程中进行减数分裂的卵原细胞。 在卵细胞发育过程中,一个卵原细胞首先经过有丝分裂进行复制产生一个初级卵母细胞;随后初级卵母细胞通过减数分裂产生次级卵母细胞与第一极体;接下来次级卵母细胞继续进行减数分裂产生卵细胞和第二极体,同时第一极体也进行一次减数分裂成为两个极体。最终,三个极体消失,只留下卵细胞。
英语百科
Oocyte 卵母细胞(重定向自Secondary oocyte)
![]() ![]() ![]() ![]() An oocyte (UK /ˈoʊəsʌɪt/, US /ˈoʊ.oʊ.saɪt/), oöcyte, ovocyte, or rarely ocyte, is a female gametocyte or germ cell involved in reproduction. In other words, it is an immature ovum, or egg cell. An oocyte is produced in the ovary during female gametogenesis. The female germ cells produce a primordial germ cell (PGC), which then undergoes mitosis, forming oogonia. During oogenesis, the oogonia become primary oocytes. |
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