This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
[{'content': 'Vaginal wall is derived from \nSelect and explain. \nA. Endoderm, B. Mesoderm, C. Endoderm and mesoderm, D. Ectoderm and mesoderm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The whole vagina epithelium is derived from the paramesonephric (Mullerian) duct with bone morphogenic protein 4 reshaping the intermediate mesoderm-derived Mullerian duct into the vaginalprimordium. Vaginal development is also under negative control of androgens. Ref - BDC 6e vol2 pg 395', 'role': 'assistant'}]