glucagon
glucagon A hormone secreted by the α‐cells of the pancreas which causes an increase in blood sugar by increasing the breakdown of liver glycogen and stimulating the synthesis of glucose from amino acids.
glucagon
glucagon
glucagon A hormone, secreted by the α (or A) cells of the islets of Langerhans in the pancreas, that increases the concentration of glucose in the blood by stimulating the metabolic breakdown of glycogen. It thus antagonizes the effects of insulin (see antagonism).
glucagon
glu·ca·gon / ˈgloōkəˌgän/ • n. Biochem. a hormone formed in the pancreas that promotes the breakdown of glycogen to glucose in the liver.
glucagon
glucagon (gloo-kă-gon) n. a hormone, produced by the pancreas, that causes an increase in the blood sugar level. Glucagon is administered by injection to counteract diabetic hypoglycaemia.
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