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Text File  |  1995-11-09  |  267b  |  3 lines
  1. Fig. 20.7 
  2. The hyperglycaemic effect of glucagon. 
  3. Glucagon works only on preformed glycogen to produce a rise in blood glucose. Thus, it does not cause hyperglycaemia if the liver is already depleted of glycogen, for example by prolonged fasting or alcohol intake.