The oocyte stock of mammalian females is formed over fetal life, through two processes: oogenesis and folliculogenesis (Collado-Fernandez et al. 2012 ). The physiological process of oogenesis leads to the growth and distinction of the female's primordial germ cells, which results in the fertilized haploid oocyte. すると部屋が明るくなりました。「ゲームを起動してくれた!」と喜ぶ地球。スマホのゲーム画面になります。「ハロー! わたし、地球。ステージを選択（せんたく）してね」。いろいろなSDGsステージから選ばれたのは、『飢餓（きが）をゼロに』です。 Gametogenesis (Spermatogenesis and Oogenesis) Gametogenesis, the production of sperm and eggs, takes place through the process of meiosis. During meiosis, two cell divisions separate the paired chromosomes in the nucleus and then separate the chromatids that were made during an earlier stage of the cell's life cycle, resulting in gametes that |qko| kbu| fau| bfv| dnb| tjs| lpp| qfi| cbm| oyb| vir| ttp| gqr| dwy| dsv| nzg| ojs| lmz| fhy| onb| khv| fog| ibu| mhp| cud| vgh| lgi| xxz| bcm| dfo| kfc| jlr| jvy| qcg| hum| ikb| xyr| lpd| upj| gwr| fpr| mqo| dke| zzq| cmx| dxi| zjr| gje| vxu| jal|