This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Orbit, Subject name: Anatomy
[{'content': 'Lamina papyracea is between - \nSelect and explain. \nA. Optic nerve and orbit, B. Maxillary sinus and orbit, C. Ethmoid sinus and orbit, D. Cranial cavity and orbit', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Ethmoid sinus and orbito The thinnest portion of medial wall of orbit is the lamina papyracea which separates ethmoid sinuses from orbit.o Infection from ethmoidal sinus can easily breach this paper thin bone and affect the orbital contents.", 'role': 'assistant'}]