目的探讨女性年龄对卵母细胞纺锤体和染色体构型的影响。
Objective To study the effect of maternal age on meiotic spindle and chromosome configuration of oocytes.
在纺锤体迁移的过程中，一个无微绒毛但富含微丝的区域形成于其上方皮质区域。至此，卵母细胞的极性形成。
During spindle migration, an area enriched in actin microfilaments and devoid of microvilli begins to form in the cortex overlying the spindle, and prominent cortical polarity develops.
在纺锤体迁移的过程中，一个无微绒毛但富含微丝的区域形成于其上方皮质区域。至此，卵母细胞的极性形成。
During spindle migration, an area enriched in actin microfilaments and devoid of microvilli begins to form in the cortex overlying the spindle, and prominent cortical polarity develops.
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