VARIATIONS WITH AGE IN THE NUMBER OF ACTIVE PALMAR DIGITAL SWEAT GLANDS

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Abstract
The number of active sweat glands in a 4 sq. mm. area just distal to the central whorl of the right middle finger was counted in 123 healthy males by plastic paint replication. Counts were significantly lower between each 2 consecutive sets of decades, the greatest decrease occurring between the 1st and 2d and the 3d and 4th decades. The high rate of decrease in early decades is likely due to high corticoid production and the slower rate in the later decades to modified corticoid production and general reduction of physiological activity.