幼儿泌尿系统生理特点幼儿膀胱容量较小,粘膜柔嫩,肌肉层及弹力纤维发育不良,储尿功能差,故幼儿年龄越小每日排尿次数越多。膀胱受脊髓和大脑的控制,一般1岁半左右可养成控制排尿的习惯,但由于幼儿中枢神经系统的发育还不完善,他们在摄人大量食物或饮料、过度疲劳、环境变化、精神刺激等影响下,往往会出现遗尿现象。 Child urinary system physiological characteristics of children with smaller bladder capacity, mucous membrane tender, muscular layer and elastic fiber dysplasia, poor urine storage, so the younger the younger the more the number of daily urination. The bladder is controlled by the spinal cord and the brain. It usually takes about one and a half years to develop the habit of controlling urination. However, due to the incomplete development of children’s central nervous system, they are exposed to large amounts of food or drink, fatigue, environmental changes and mental stimulation Under the influence of such, there will often be enuresis.