Difficulties in assessing relation of glucagon to alpha cells.
D005934:Glucagon; D050416:Glucagon-Secreting Cells; D006728:Hormones; D062312:Islands; D007515:Islets of Langerhans / Q000502:physiology*; D010179:Pancreas; D010187:Pancreatic Hormones
D006728:Hormones; D010187:Pancreatic Hormones; D005934:Glucagon
ISLANDS OF LANGERHANS/physiology; PANCREAS/hormones