不少上了年纪的妇女，经常尿床或尿湿裤子，尤其在咳嗽、打喷嚏、大笑或用力时，尿液常常会不自觉地流出。睡觉时，也常不知不觉地尿湿被褥。此症在临床上叫“老年性尿失禁”。正常排尿是一种受意识控制的神经反射活动，受大脑高级中枢支配。排尿时，膀胱逼尿肌收缩，尿道括约 Many elderly women, often wet the bed or wet pants, especially when coughing, sneezing, laughing or using force, urine often unconsciously outflow. When sleeping, they often wet their bedding unconsciously. This disease is clinically called “senile urinary incontinence.” Normal urination is a consciously controlled reflex activity dominated by the high center of the brain. Urination, bladder detrusor contraction, urethral contract