to assess the role of counterregulatory hormones per se in the response to continuous insulin infusion , overnight-fasted dogs were given 5 mu.kg-1.min-1 insulin intraportally either alone ( ins , n = 5 ) , with glucose to maintain euglycemia ( ins + glu , n = 5 ) , or with glucose and hormone replacement [ i.e. , glucagon , epinephrine , norepinephrine , and cortisol infusions ( ins + glu + hr , n = 6 ) ] .
C0014563
epinephrine
C0028351
norepinephrine