This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: KUB & Adrenal Gland, Subject name: Anatomy
[{'content': 'Trigoneof urinary bladder develops from - \nSelect and explain. \nA. Urogenital sinus, B. Vesicourethral canal, C. Mesonephric duct, D. Endoderm', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Mesonephric duct o The urinary bladder (except trigone) is derived from vesicourethral canaL cranial part of urogenital sinus (endodermal).o Trigone is derived from Absorbed part of Wolffian duct/mesonephrk duct (mesodermal).", 'role': 'assistant'}]