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痒痒肉实际上是对外来刺激产生痒感应激反应的、密布于皮肤浅层的神经末梢。痒痒肉大多存在脖颈、腋窝、腰部、腹股沟、以及大腿内侧、脚掌心等处。根据人体生物学神经分布显示,这几处也是人体的淋巴、神经分布的主要区域,这些神经与脑神经直接相连,因而对外界的刺激反应特别敏感。痒痒肉也是在漫长的进化过程中形成的,人类为了能在复杂的环境中顽强地生存,进化出了相当敏感的神经系统进行危险预警,对于未知的突然身体接触,大脑会本能地认为是危险的信号,然而挠痒痒是无害的接触,当我们
Itch meat is actually external to stimulate itch reaction, dense in the superficial nerve endings. Most of itch meat neck, armpits, waist, groin, as well as the inside of the thigh, palms and other places. According to the biological distribution of human biology shows that these are also the body’s lymphatic, the main distribution of nerves, these nerves directly connected with the brain, which is particularly sensitive to the external stimulus. Itch meat is also formed in the long process of evolution, human beings in order to be able to survive in a complex environment, evolved a very sensitive nervous system for early warning of danger, for unknown sudden physical contact, the brain instinctively considered to be dangerous The signal, however, is that itch is harmless to contact when we are