Ureter develops from which of the following embryologic structure?

Ureteric bud arise from the mesonephric ducts. The ureter is derived from the pa of ureteric bud that lies between the pelvis of the kidney, and the vesico-urethral canal. The permanent kidneys develop from 2 sources, both of which are of mesodermal origin. 1) The metanephric diveiculum (ureteric bud). 2)The metanephric mesoderm. Ref: Human Embryology INDERBIR SINGH 6th Ed Page 269.