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[gloo-kuh-gon] /ˈglu kəˌgɒn/

noun, Biochemistry.
a hormone secreted by the pancreas that acts in opposition to insulin in the regulation of blood glucose levels.
/ˈɡluːkəˌɡɒn; -ɡən/
a polypeptide hormone, produced in the pancreas by the islets of Langerhans, that stimulates the release of glucose into the blood Compare insulin

1923, from gluco- + Greek agon, present participle of agein “to lead” (see act (n.)).

glucagon glu·ca·gon (glōō’kə-gŏn’)
A polypeptide hormone secreted by alpha cells that initiates a rise in blood sugar levels by stimulating the breakdown of glycogen by the liver.
A polypeptide hormone produced by the pancreas that stimulates an increase in blood glucose levels, thus opposing the action of insulin.


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    glucagonoma glu·ca·go·no·ma (glōō’kə-gŏ-nō’mə) n. A glucagon-secreting tumor, usually derived from pancreatic islet cells.

  • Glucan

    /ˈɡluːˌkæn/ noun 1. any polysaccharide consisting of a polymer of glucose, such as cellulose or starch glucan glu·can (glōō’kān’, -kən) n. A polysaccharide, such as cellulose, that is a polymer of glucose.

  • Glucaric-acid

    [gloo-kar-ik] /gluˈkær ɪk/ noun 1. .

  • Glucide

    [gloo-sahyd] /ˈglu saɪd/ noun 1. any of various organic compounds that consist of or contain a carbohydrate.

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