This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Characterstic feature of compact bones is \nSelect and explain. \nA. Volksmann canal, B. Haversian system, C. Lamellar arrangement, D. Trabeculae', 'role': 'user'}, {'content': 'Answer: B \nExplanation: When we examine a section of compact bone we can see concentric lamellae pervaded by lacunae called haversian system Inderbir Singh&;s textbook of human Histology Seventh edition Pg no94', 'role': 'assistant'}]