Abstract
Summary
1. When 60 mg. of sugar are injected intravenously into mice of 20 gram1 body weight an equilibrium between the sugar'concentration of the blood and of the liver is reached in I minute after the start of the injection.
2. Different hexoses and the one pentose examined reach this equilibrium at the same rate and hence penetrate with equal rapidity into the liver cells.
3. There muscles are less permeable for sugar than the liver. The ratio blood sugar: liver sugar :muscle sugar, 3 minutes after the injection, is of the order, 100 : 87 :37.
4. The different sugars investigated penetrate into the muscle cells at the same rate.
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