glucagon

noun glu·ca·gon \ 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 and Etymology of glucagon

gluc- + -agon (perhaps from Greek agōn, present participle of agein to lead, drive) — more at agent


Medical Dictionary

glucagon

noun glu·ca·gon \ ˈglü-kə-ˌgän \

medical Definition of glucagon

:a protein hormone that is produced especially by the pancreatic islets of Langerhans and that promotes an increase in the sugar content of the blood by increasing the rate of breakdown of glycogen in the liver called also hyperglycemic factor, hyperglycemic-glycogenolytic factor

Learn More about glucagon


Seen and Heard

What made you want to look up glucagon? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to speak evil of

Get Word of the Day daily email!

Test Your Vocabulary

Forms of Government Quiz

  • knupfer-painting-solon-before-croesus
  • A gerontocracy is rule by:
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!