不少上了年纪的妇女,经常尿裤子,尤其在咳嗽、打喷嚏、大笑或用力时,尿液常常会不自觉地排出。晚上睡在床上,小便也常弄湿被褥。此症在医学上叫“尿失禁”,给患者带来无限痛苦和烦恼。 正常排尿是一种受意识控制的神经性反射活动,它由大脑排尿反射高级中枢、脊髓反射弧和膀胱逼尿肌构成。膀胱逼尿肌收缩时,尿道内肌松驰,一次正常排尿得以完成。如果情况不允许排尿,排尿反射会受到大脑高级中枢的抑制,暂时地抑制排尿,直到有适当的排尿机会时抑制才被解除。此外,有时虽没有排尿感,只是要出门、上车、要看一场电影,也可以会有意识地将膀胱内贮存 Many elderly women, often urine pants, especially when coughing, sneezing, laughing or hard, urine is often unconsciously discharged. Sleep in bed at night, often urinate wet bedding. This disease is medically called “urinary incontinence”, to patients with untold pain and trouble. Normal urination is a consciously controlled neuroreflective activity consisting of the higher urinary reflex center of the brain, the spinal reflex arc, and the detrusor of the bladder. Bladder detrusor contraction, urethral muscle relaxation, a normal urination to be completed. If the situation does not allow urination, micturition reflex will be inhibited by the high center of the brain, temporarily inhibit urination, until there is an appropriate urination inhibition was lifted. In addition, sometimes there is no sense of urination, but to go out, get on the train, to see a movie, you can also consciously store the bladder