During surgery for a benign cyst on the kidney, the surgeon notes that the patient's right kidney has two ureters and two renal pelvis. This malformation is
The ureteric bud seems to be preprogrammed to undergo repeated divisions. These divisions normally begin on contact with the metanephric blastema. If the ureteric bud undergoes division prematurely, duplication of the ureter and renal pelvis occurs. In some circumstances, two separate kidneys may form.
An abnormal division of the pronephros
An abnormal division of the mesonephros
A premature division of the metanephric blastema
A premature division of the ureteric bud
Development of GU system and Neuro-vascular supply of pelvis & perineum