动纤毛 静纤毛的区别

纤毛可分为两种型态，一种称为运动纤毛（motile cilia），能够长久地向同一方向运动。另一种则是非运动纤毛（non-motile cilia），一般用作感应胞器。

下面是英文的解释（摘自维基百科）更详细

Motile cilia

Larger eukaryotes, such as mammals, have motile cilia as well. Motile cilia are usually present on a cell's surface in large numbers and beat in coordinated waves.

Primary/Immotile cilia

In humans, primary cilia are found on nearly every cell in the body.[2]

两者的一个简短的比较：

In comparison to motile cilia, non-motile (or primary) cilia usually occur one per cell; nearly all mammalian cells have a single non-motile primary cilium. In addition, examples of specialized primary cilia can be found in human sensory organs such as the eye and the nose:

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