Definition of glucagon in English:


Syllabification: glu·ca·gon
Pronunciation: /ˈglo͞okəˌgän


  • A hormone formed in the pancreas that promotes the breakdown of glycogen to glucose in the liver.
    More example sentences
    • The classic interactions between receptors, G-protein transducer, and membrane-localized adenylate cyclase are illustrated below using the pancreatic hormone glucagon as an example.
    • One of these molecules, glucose, is mainly controlled by the hormones insulin and glucagon that are released from the pancreas.
    • There was no tumoral expression for serotonin, glucagon, insulin, gastrin, vasointestinal peptide, or pancreatic polypeptide.


1920s: from Greek glukus 'sweet' + agōn 'leading, bringing'.

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