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nuclear skeleton
释义
nuclear skeleton
Encyclopedia
理学
细胞核
释
nuclear skeleton
核骨架
细胞核经抽提,除去核膜、核内可溶物和绝大部分染色质(DNA和组蛋白)之后剩下的纤维蛋白网架结构。普遍存在于真核细胞中,狭义上是指细胞核内除核被膜、染色质、核纤层和核仁之外的网架体系。广义上一般认为它包括核内纤维蛋白网络(其上结合有核糖核蛋白复合体颗粒)、核仁残存结构(核仁骨架)、核纤层及残存的核孔复合体等。又称核基质(nuclear matrix)。
Biology
nuclear skeleton
核骨架
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