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: Anatomy
[{'content': 'Lacrimation is lost in lesion of? \nSelect and explain. \nA. Nasociliary nerve, B. Greater petrosal nerve, C. Ant. ethmoidal nerve, D. Supraorbital nerve.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Greater petrosal nerve Lacrimal gland is supplied by the lacrimal nerve which is both sensory and secretomotor.The secretomotor fibres to the gland runs as follows: Lacrimatory nucleus (or superior salivatory nucleus) nervusintermedius -4 geniculate ganglion greater petrosal nerve --> nerve of the pterygoid canal --> pterygopalatine ganglion (relay of secretomotor fibres) --> zygomatic nerve -4 zygomaticotemporal branch --> lacrimal nerve --> lacrimal gland.', 'role': 'assistant'}]