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glucagon Syllabification: glu·ca·gon
Pronunciation: /ˈɡlo͞okəˌɡän/

Definition of glucagon in English:


A hormone formed in the pancreas that promotes the breakdown of glycogen to glucose in the liver.
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'.

Definition of glucagon in:
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