This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'Lamina papyracea separates nose from \nSelect and explain. \nA. Sphenoid bone, B. Orbit, C. Frontal bone, D. Maxillary sinus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref: Henry Gray. Anatomy of the Human Body. The lateral surface is formed of a thin, smooth, oblong plate, the lamina papyracea (os planum), which covers in the middle and posterior ethmoidal cells and forms a large pa of the medial wall of the orbit; it aiculates above with the orbital plate of the frontal bone, below with the maxilla and orbital process of the palatine, in front with the lacrimal, and behind with the sphenoid.', 'role': 'assistant'}]