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: Dental
[{'content': 'The basement membrane that separates the enamel organ and the dental papilla just prior to dentin formation is called as: \nSelect and explain. \nA. Stellate reticulum., B. Outer enamel epithelium., C. Membrana preformativa., D. Inner enamel epithelium.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The basement membrane that separates the enamel organ and the dental papilla just prior to dentin formation is called the membrana preformativa.', 'role': 'assistant'}]