Abstract.
The amounts of glucose, water and potassium entering rat liver cells in vivo were calculated in 34 animals. The estimations of these components and of fat, nitrogen and chloride were made on the homogenized liver, and the results related to the glycogen content. The calculations were based on the assumption that the absolute amount of nitrogen per cell remained unchanged during the experimental conditions. If 115–175 meq potassium are required per litre water for maintaining osmosis, “extra” potassium ranging from 50 to 25 per cent of the total was found to enter the cell. The possible explanations for the entrance of the “extra” potassium are briefly discussed.
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