The Electrical Properties of Frog Skin

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Abstract
This paper is the first of a series in which the results of a study of the electrical properties of frog skin will be presented. Frog skin is a convenient material for bio-electric investigation. It is easily obtained, can bé mounted as a membrane and gives high potentials (ca. 40-−70 millivolts between opposite sides of the skin). On the other hand the complexity of structure of the skin tissue makes it difficult to determine which cells are the seat of the potential. Considerable insight has, however, been gained during this work into the chemical and physical processes by which the electrical potential is maintained. This is of interest in relation to the general problem of the nature and origin of bio-electric potentials.

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