pain spot मीनिंग इन हिंदी

In 1882 Magnus Blix reported that specific spots on the skin elicit sensations of either cold or heat when stimulated, and proposed that " the different sensations of cool and warm are caused by stimulation of different, specific receptors in the skin . " Max von Frey found and described these heat and cold receptors and, in 1896, reported finding " pain spots " on the skin of human subjects.