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': 'All are true regarding the enamel spindles except: \nSelect and explain. \nA. Produced by ameloblasts, B. Found in the region of cusps, C. Surrounded by interprismatic enamel, D. Terminate as rounded process', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Enamel spindles are formed by extensions of odontoblast processes into enamel before calcification. They are odontoblastic processes that cross the dentinoenamel junction and get entrapped in the enamel.', 'role': 'assistant'}]