Some observations on sweating of the Aino.
نویسندگان
چکیده
It was found by previous investigations that thermal sweat reflex was less prompt in tropic natives (3, 9) and that the total number of active sweat glands was largest in tropic natives and Japanese born in the tropics, less in Japanese immigrants to the tropics and those living in Japan proper (4) and much less in Russians settling down in North Manchuria (5). On the other hand, a lot of work has been made on changes in the chloride content of sweat with regard to the function of the sweat glands. Among others it was confirmed that the chlorine concentration was high in the sweat of individuals whose sweat glands were considered to be not in a superior condition and that it was strikingly low in the sweat of tropic natives (6, 7, 12). The function of the human sweat apparatus seems therefore to be influenced from climatic conditions. The Ainos are folks domiciliating themselves for successive generations in the province Hokkaido of Japan, the climatic conditions of which are not much different from North Manchuria. With the purpose to add some data to the above problem, thermal sweat reflex, the total number of active sweat glands and the Cl concentration of sweat were examined on them. Observations were made in August, 1950, at village of Shiraoi in Hokkaido on 12 Ainos, 2 Japanese born and grown up in Hokkaido and 2 Japanese recently settled. Sweating was induced in a hot room. No special equipment being available, a small ordinary room was used; it was heated by a coal stove and the humidity of the air was kept as high as possible by sprinking water on the floor and walls.
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ورودعنوان ژورنال:
- The Japanese journal of physiology
دوره 2 2 شماره
صفحات -
تاریخ انتشار 1951