摘要核仁是细胞中合成 r RNA的场所 ,与细胞的蛋白质合成密切相关。近年的研究证明 ,在卵子发生和早期胚胎发育过程中 ,核仁的结构和机能都发生着有规律的变化 ,对于研究卵子发生和早期胚胎发育机理有着重要的意义。本文以牛为主要对象 ,综述了有关核仁的结构、发生以及卵母细胞成熟及早期胚胎发育过程中核仁结构和 r
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