centriole
发音
英 ['sentrɪəʊl]
美 ['sentrɪˌoʊl]
-
- n.
- 细胞中心粒，中心体
单词词源
双语例句
- 1. It has the same structure as the mature parental centriole , but is only about half its length .
- 它同成熟的父代中心粒有相同的结构,但仅仅是父代中心粒长度的一半.
- 2. It plays no role in the next mitosis , but becomes a parental centriole when it is distributed to one of the daughter cells .
- 在下一个有丝分裂中它不起作用,但是成为了一个父代中心粒,这时它被分配到子细胞的一个中去.
- 3. The centriole lies outside the nucleus of animal cells and many fungal and protoctist cells , but is absent in cells of most higher plants .
- 中心粒存在于动物细胞和许多真菌及原生生物的细胞核外，但在大多数高等植物中缺失。
- 4. However , the centriole is not essential for spindle formation , although an analogous structure , the basal body , is responsible for organizing the microtubules of undulipodla .
- 但中心粒对于纺锤体的形成并不是必须的，尽管具有相似的结构－基体，中心粒对于波动足微管的形成有重要作用。