glycogen

noun
gly·co·gen | \ˈglī-kə-jən \

Definition of glycogen 

: a white amorphous tasteless polysaccharide (C6H10O5)x that is the principal form in which glucose is stored in animal tissues and especially muscle and liver tissue

Examples of glycogen in a Sentence

Recent Examples on the Web

In about 45 minutes of active play, many athletes can deplete their reserves of glycogen. Mari A. Schaefer, Philly.com, "Drexel's Dragon Gel sports snack fuels college teams, Union, Flyers," 23 Apr. 2018 Such brain training might also increase the amount of fuel your brain is able to store, just as exercise leads to an increase in how much glycogen your muscles can store. Alex Hutchinson, Outside Online, "Here’s What We Know About Mental Fatigue," 10 July 2018 And what about unpredictable genetic conditions like Factor V Leiden thrombophilia, a blood clotting disorder, or McArdle disease, in which the body can’t break down glycogen in muscle cells? Carolyn Sue Richards, Smithsonian, "Most Parents Want to Test Their Unborn Kids’ Genes For Disease Risk," 25 May 2018 Backus has glycogen storage disease, which requires him to be fed through a port every three hours in order to keep his blood sugar at safe levels and avoid seizures, or worse. Mike Anthony, courant.com, "Mike Anthony: Travelers Championship Sets The Stage For Golf Magic It Deserves," 9 May 2018 So Dardarian and her team began developing a carbohydrate-rich snack to help replenish glycogen stores. Mari A. Schaefer, Philly.com, "Drexel's Dragon Gel sports snack fuels college teams, Union, Flyers," 23 Apr. 2018 When carbohydrates are consumed, they are broken down into sugar molecules that are stored in the muscles and liver as glycogen. Mari A. Schaefer, Philly.com, "Drexel's Dragon Gel sports snack fuels college teams, Union, Flyers," 23 Apr. 2018 Our bodies then turn to the glucose stored in our muscles as glycogen for fuel. Good Housekeeping, "Ketogenic Diets Are B.S. for Weight Loss — Here's Why," 23 Jan. 2018 Carbohydrates in pre-workout supplements help to fuel muscles with glycogen, which your body uses as an energy source while lifting. Emily Abbate, GQ, "A Complete Guide to Pre-Workout Supplements," 4 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'glycogen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of glycogen

circa 1864, in the meaning defined above

Keep scrolling for more

Learn More about glycogen

Statistics for glycogen

Last Updated

21 Aug 2018

Look-up Popularity

Time Traveler for glycogen

The first known use of glycogen was circa 1864

See more words from the same year

Keep scrolling for more

More Definitions for glycogen

glycogen

noun
gly·co·gen | \ˈglī-kə-jən \

Kids Definition of glycogen

: a white tasteless starchy substance that is the main form in which glucose is stored in the body

glycogen

noun
gly·co·gen | \ˈglī-kə-jən \

Medical Definition of glycogen 

: a white amorphous tasteless polysaccharide (C6H10O5)x that constitutes the principal form in which glucose is stored in animal tissues, occurs especially in the liver and in muscle and also in fungi and yeasts, and resembles starch in molecular structure and in the formation of only glucose on complete hydrolysis

called also animal starch

More from Merriam-Webster on glycogen

Britannica.com: Encyclopedia article about glycogen

Comments on glycogen

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

WORD OF THE DAY

lying above or upon

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
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!