This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Ureter develops from which of the following embryologic structure? 
Select and explain. 
A. Mesonephric tubules, B. Mesonephric duct, C. Urogenital sinus, D. Paramesonephric duct
B: Mesonephric duct
Answer: B: Mesonephric duct 
Explanation: 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.