最初，中心粒外周物质仅与每个父级中心体圆柱体相关。

The pericentriolar material initially is associated only with each parent centriole cylinder.

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最初，中心粒外周物质仅与每个父级中心体圆柱体相关。

The pericentriolar material initially is associated only with each parent centriole cylinder.

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