组蛋白组成蛋白线轴，DNA缠绕在它的周围，使DNA紧密地包装在细胞核中。

Histones make up the spool of proteins around which DNA winds so that it is packaged compactly in the nucleus.

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注意每个巨噬细胞内含大量的组织孢浆菌，菌体中央呈蓝色细胞核，周围有一亮区，使细胞膜呈现囊状外观。

Note how each macrophage is filled with numerous small organisms. The organisms have a clear zone around a central blue nucleus which gives the cell membrane the appearance of a capsule.

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结果：神经胶质瘤细胞株u343表达死亡受体DR 5, DR 5分布于细胞内细胞核的周围。

Results: The expression of death receptor 5 (DR5) was certificated in U343, DR5 appeared to be located in intracellular perinuclear compartment.

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