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有些人在掏耳朵时,嗓子会发痒,甚至会引起一阵咳嗽。这是怎么回事呢?读者刘芳其实,人的耳道皮肤和咽喉黏膜在神经分布上有一段“亲缘”关系。人体内的第10对脑神经(共有12
When some people dig their ears, the throat can get itchy and even cause a cough. This is how the case? Readers Liu Fang In fact, the human ear canal skin and throat mucosa in the distribution of the nerve has a “kinship ” relationship. The human body of the first 10 pairs of cranial nerves (a total of 12