glucagon
glu·ca·gon
noun \ˈglü-kə-ˌgän\Definition of GLUCAGON
: a protein hormone that is produced especially by the islets of Langerhans and that promotes an increase in the sugar content of the blood by increasing the rate of glycogen breakdown in the liver
Origin of GLUCAGON
gluc- + -agon (perhaps from Greek agōn, present participle of agein to lead, drive) — more at agent
First Known Use: 1923
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