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
[{'content': 'The labia minora arises embryologically from which of the following structures? \nSelect and explain. \nA. Phallus, B. Labioscrotal swellings, C. Sinovaginal bulbs, D. Urogenital folds', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In the female, the urogenital folds remain unfused and form the labia minora. Embryological structure Genital derivatives Labio scrotal swelling labio majora and scrotum Genital ridge testis , ovary Urogenital folds labia minora Urogenital sinus urinary bladder, urethra And lower pa of vagina.', 'role': 'assistant'}]