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膀优输尿管返流是指尿液从膀济逆流至输尿管和集合管系统。正常情况下,远端输尿管与膀联的连接部在膀联壁内形成了一个斜行通道,这一壁内通道在膀既充盈和排空时具有防止返流的作用,一旦这种抗返流机制被破坏,就产生了膀眈输尿管返流。继发性返流见于下尿路梗阻;原发性返
Bladder excellent ureter reflux refers to the urine from bladder Ji reverse flow to the ureter and collecting tube system. Under normal circumstances, the distal ureter and the connection of the bladder in the wall of the bladder to form a diagonal channel, the wall of the channel in both the filling and emptying of the bladder has the role of preventing reflux, once this anti-return Flow mechanism is destroyed, it produces a bladder ureter reflux. Secondary reflux seen in lower urinary tract obstruction; primary return