组织间隙液体过多,称为水肿。体腔内液体过多,可称为积液或积水,如胸腔积水、腹腔积水、心包积水、脑室积水等。水肿不是独立的疾病,而是常见于多种疾病的一种病理过程。发生在局部的水肿称为局部水肿,如炎性水肿、静脉阻塞或淋巴管阻塞引起的局部水肿等。遍及全身的水肿称为全身性水肿,如心性水肿、肾性水肿、肝性水肿等。不同组织器官的水肿,分别称为皮下水肿、肺水肿、脑水肿等。皮 Interstitial fluid too much, known as edema. Fluid in the body cavity too much, can be called fluid or water, such as pleural effusion, peritoneal hydrops, pericardial hydrops, hydrocephalus and so on. Edema is not an independent disease, but is a common pathological process of many diseases. Local edema is called local edema, such as inflammatory edema, venous obstruction or lymphatic obstruction caused by local edema and so on. Edema throughout the body is called systemic edema, such as cardiac edema, renal edema, hepatic edema and so on. Edema in different tissues and organs, respectively, known as subcutaneous edema, pulmonary edema, cerebral edema and so on. skin