physiological atrophy

例句：

1. 1. The patient's condition worsened after the surgery, leading to a physiological atrophy of his muscles.
   手术后，患者的病情恶化，导致肌肉发生生理性萎缩。
2. 2.The scientist discovered that certain chemicals could cause physiological atrophy in humans.
   科学家发现某些化学物质会导致人类发生生理性萎缩。
3. 3. Due to the aging process, some elderly people experience physiological atrophy in their joints.
   由于老化过程，一些老年人在关节处会发生生理性萎缩。