蠕动（英语：Peristalsis）是指肌肉辐射对称地舒展、收缩，并在管状物体表面制造出波纹，从而使物体顺向移动的过程。在消化道中，平滑肌顺次收缩，推进食团。[1]蚯蚓等动物会使用类似的方法向前移动。[2]
参考资料
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