This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Development of GU system and Neuro-vascular supply of pelvis & perineum, Subject name: Anatomy
All are derivatives of ureteric bud EXCEPT 
Select and explain. 
A. Ureter, B. Renal pelvis, C. Minor calyx, D. Connecting tubule
D: Connecting tubule
Answer: D: Connecting tubule 
Explanation: Ureteric bud forms 1. Collecting duct 2. Major calyx 3. Minor calyx 4. Renal pelvis 5. Ureter Connecting ducts are formed from metanephric blastema which is derived from intermediate mesoderm.