vital movement

biological rhythm is a main character of vital movement. tumor tissue, as well as normal tissue, has some rhythmicity .

生物节律是生命活动的基本特征之一，恶性肿瘤组织同正常组织一样存在一定生物节律。

If the surroundings then turn to be benefit for its vital movement, it will go through excystment and become a vegetative cell again.

之后，如果环境条件转为有利于其生命活动时，形成包囊的纤毛虫又会脱囊而出，进行正常的生命活动。

but vital movement and diseases couldn't be explained by sing cell, or gene, the homeostasis of organism should be emphasized.

但是毕竟生命活动和疾病的发生、发展不能仅仅用单个细胞、单个基因发生改变解释，应该从机体的稳态和整体出发。