from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A polysaccharide, (C6H10O5)n, that is the main form of carbohydrate storage in animals and occurs primarily in the liver and muscle tissue. It is readily converted to glucose as needed by the body to satisfy its energy needs. Also called animal starch.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A polysaccharide that is the main form of carbohydrate storage in animals; converted to glucose as needed.

from the GNU version of the Collaborative International Dictionary of English

  • n. A white, amorphous, tasteless substance resembling starch, soluble in water to an opalescent fluid. It is found abundantly in the liver of most animals, and in small quantity in other organs and tissues, particularly in the embryo. It is quickly changed into sugar when boiled with dilute sulphuric or hydrochloric acid, and also by the action of amylolytic ferments.

from The Century Dictionary and Cyclopedia

  • n. A substance, C6H10O5, belonging to the carbohydrates.
  • n. In mycology, same as epiplasm.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. one form in which body fuel is stored; stored primarily in the liver and broken down into glucose when needed by the body


Sorry, no etymologies found.


  • These results had several important ramifications: they explained the course of heat production measured by Hill; and they confirmed and extended a famous theory of Pasteur's that less glycogen is consumed in muscle metabolism in the presence of oxygen than in its absence.

    Otto Meyerhof and the Physiology Institute: the Birth of Modern Biochemistry

  • Once you use up all of your available glucose during the digestive phase of metabolism (your body stores only about 300 calories in the short-term glycogen reservoir), it taps a long-term reservoir: fatty tissue in the form of triglycerides (molecules that include a carbohydrate-containing glycerol).

    You: On a Diet

  • They are fueled by a small store of a carbohydrate called glycogen, which is already in the fibers, and is rapidly converted into energy by enzymes right in the cell fluids.

    On Food and Cooking, The Science and Lore of the Kitchen

  • Hence glycogen is converted to glucose which can enter the blood stream.

    Physiology or Medicine 1992 - Press Release

  • Further work showed that uridine diphosphate glucose is involved in glycogen synthesis and adenosine diphosphate glucose in that of starch.

    Luis Leloir - Biography

  • Later it was shown, in collaboration with Collip, that other symptoms of diabetes, namely the ketonuria and the absence of glycogen from the liver, were favourably influenced by the extracts and, with Hepburn, that the respiratory quotient became raised.

    John Macleod - Nobel Lecture

  • The same process may, however, also proceed in the opposite direction, so that glycogen is formed from the Cori ester.

    Physiology or Medicine 1947 - Presentation Speech

  • They observed that the marked decrease in glycogen and lowering of blood sugar in hypophysectomized rats occurred with a concomitant increase in the rate of glucose oxidation.

    Carl Cori - Biography

  • The human body contains a small amount of a substance called glycogen, which is an animal starch or sugar.

    Maintaining Health Formerly Health and Efficiency

  • Now, Li-Huei Tsai, the Picower Professor of Neuroscience in MIT's Department of Brain and Cognitive Sciences, and colleagues have shown for the first time that DISC1 directly inhibits the activity of a brain enzyme called glycogen synthase kinase 3 beta, also known as GSK3B.

    Medlogs - Recent stories


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