five dogs were studied during paired experiments in which pancreatic hormones were clamped at basal levels during a control period ( using somatostatin and intraportal hormone replacement ) , then altered during exercise to stimulate the normal exercise-induced fall in insulin , while glucagon was 1 ) increased to mimic its normal exercise-induced rise ( sg ) and 2 ) maintained at a basal level ( bg ) .
C0030292
pancreatic hormones
C0037659
somatostatin