CHEMISTRY OF PALMAR SWEAT

Abstract
PREVIOUSLY reported studies on the chemistry of palmar sweat from normal persons indicated that both chloride1 and urea2 were more concentrated in the so-called intermittent type of palmar sweat, when the gland was resting between secretions, than in the profuse type of palmar sweat, when the gland was secreting continuously (fig. 1 of the article by one of us [W. C. L.] and Osterberg on Urea2). Reducing substances (glucose),3 on the other hand, seemed to meet an effective barrier in the palmar sweat secreting unit in both of these physiologic types of sweating, and only minimal amounts, if any, appeared in all palmar sweat even when the level of glucose in the blood was elevated acutely or chronically. In order to obtain more information concerning the function of the normal individual sweat gland, these studies4 were extended to include observations on the concentration of uric

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