MEDICAL PHYSIOLOGY

Detailed explanation-1: -Glucagon is a peptide hormone secreted from the alpha cells of the pancreatic islets of Langerhans. Hypoglycemia is physiologically the most potent secretory stimulus and the best known action of glucagon is to stimulate glucose production in the liver and thereby to maintain adequate plasma glucose concentrations.

Detailed explanation-2: -Glucagon is a hormone that is involved in controlling blood sugar (glucose) levels. It is produced by the alpha cells, found in the islets of Langerhans, in the pancreas, from where it is released into the bloodstream.

Detailed explanation-3: -Alpha cells, by contrast, produce glucagon, a hormone that has blood glucose-increasing effects.

Detailed explanation-4: -The hormone secreted by the Islets of Langerhans includes insulin, glucagon and somatostatin.

Detailed explanation-5: -Glucagon is a peptide hormone. It is secreted from the -cells of islets of Langerhans in pancreas. It increases blood sugar level by acting on hepatocytes and stimulates: Breakdown of glycogen (Glycogenolysis i.e. conversion of glycogen into glucose))