Introduction and General Considerations
The urinary drainage system begins at the minor calyces of the kidney and passes via the major calyces, renal pelvis and ureter to the urinary bladder and urethra. The function of the system is to transport urine produced in the renal parenchyma to the exterior in a mechanically efficient way. The only storage organ en route is the bladder, whose purpose is to hold urine without discomfort until it is socially convenient for it to be voided. This system may be obstructed at any point, and it is the causes, effects and management of such obstruction with which this book is concerned.
KeywordsRenal Blood Flow Renal Pelvis Unilateral Ureteral Obstruction Ureteral Obstruction Obstructive Uropathy
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