glucagon
Noun
Meaning
a hormone secreted by the pancreas; stimulates increases in blood sugar levels in the blood (thus opposing the action of insulin)
Source: WordNetSynonyms
Hypernyms
Phrases with the word
Examples
Earl Sutherland explained in 1950, that the activity of phosphorylase was increased and thus glycogenolysis stimulated when liver slices were incubated with adrenalin and glucagon.
Fats stored in adipose tissue are released from the fat cells into the blood as free fatty acids and glycerol when insulin levels are low and glucagon and epinephrine levels in the blood are high.
In the liver, therefore, oxaloacetate is unavailable for condensation with acetyl-CoA when significant gluconeogenesis has been stimulated by low (or absent) insulin and high glucagon concentrations in the blood.
Scientists think it may control how the body secretes two other hormones, insulin and glucagon.
Delta cells make somatostatin, a hormone that is believed to control how the beta cells make and release insulin and how the alpha cells make and release glucagon.
Hypoglycemic symptoms and manifestations can be divided into those produced by the counterregulatory hormones ( epinephrine /adrenaline and glucagon) triggered by the falling glucose, and the neuroglycopenic effects produced by the reduced brain sugar.