| 单词 | contractile vacuole |
| 释义 | contractile vacuole【医】 伸缩泡 contractile vacuole contractile vacuole n.（名词）A membrane-bound organelle found in certain protists that pumps fluid in a cyclical manner from within the cell to the outside by alternately filling and then contracting to release its contents at various points on the surface of the cell. It functions in maintaining osmotic equilibrium.收缩泡，伸缩泡：一种见于某些原生生物体内且裹有细胞膜的细胞器，通过其细胞表面各点胀满然后收缩并释放内含物的交替行为，而将流质从体内循环往复地抽运到体外。起到维持渗透平衡浓度的作用 |
| 随便看 |
英汉双解词典收录913115条英汉汉英双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。