Labels:text | screenshot | black | black and white | document OCR: potent of Pharmacologically, glucagon is the mos on is the hyperglycaemic hormones. Its secre e important, but not essential, in raising by concentration of blood glucose depresse lin, previous exogenous or endogenous ins system is providing that the sympathetic nervous c effects intact. Glucagon exerts its hyperglycaem g glucose exclusively through the liver by liberati from preformed glycogen, by increasing ncreasing glycogenolysis and, to a lesser extent, by (Fig. 20.8), gluconeogenesis from glucose precurso
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