This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skeletal system, Subject name: Radiology
[{'content': 'Not a radiological feature of rickets - \nSelect and explain. \nA. Splaying of metaphysis, B. Cupping of metaphysis, C. Subluxation of epiphysis, D. Widening of metaphysis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Radiological findings in rickets : cupping of metaphysis splaying of metaphysis Fraying of metaphysis widening of growth plate widening of epiphysis coical thining generalised osteopenia Triradiate pelvis', 'role': 'assistant'}]