[glahy-kuh-juh n, -jen]
- a white, tasteless polysaccharide, (C6H10O5)n, molecularly similar to starch, constituting the principal carbohydrate storage material in animals and occurring chiefly in the liver, in muscle, and in fungi and yeasts.
Origin of glycogen
Also called animal starch.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for glycogen
It may also be used for the recognition of glycogen in secretions.Histology of the Blood
How glycogen is transformed into sugar within the organism is unknown.Schenk's Theory: The Determination of Sex
Samuel Leopold Schenk
There is a limit to the ability of the liver to change sugar into glycogen.Physiology
Ernest G. Martin
Maltose is absorbed and assimilated, converted into glycogen.
Thus we have animal starch, or glycogen, stored up in the liver.A Practical Physiology
Albert F. Blaisdell
- a polysaccharide consisting of glucose units: the form in which carbohydrate is stored in the liver and muscles in man and animals. It can easily be hydrolysed to glucoseAlso called: animal starch
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for glycogen
Online Etymology Dictionary, © 2010 Douglas Harper
- A polysaccharide that is the main form of carbohydrate storage in animals and occurs mainly in liver and muscle tissue; it is readily converted to glucose.animal starch
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A polysaccharide stored in animal liver and muscle cells that is easily converted to glucose to meet metabolic energy requirements. Most of the carbohydrate energy stored in animal cells is in the form of glycogen.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.