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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Loss of lacrimation occurs due to injury of
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The correct answer is  Parasympathetic secretomotor nerve fibres destined for the lacrimal gland arise from the lacrimal nucleus of the facial nerve. They travel via the great petrosal nerve to reach the lacrimal gland. Consequently injuries of the greater petrosal nerve can cause loss of lacrimation.