glycogen

Borrowed from French glycogène.

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glycogen (countable and uncountable, plural glycogens)

1. (biochemistry) A polysaccharide that is the main form of carbohydrate storage in animals; converted to glucose as needed.
   • 2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 175:

     Specifically the liver converts glucose into glycogen — a more compact chemical. It is a little bit like shrink-wrapping food so you can pack more of it into your freezer.

• glycogenesis
• glycogenosis
• glycogenosome
• glycogenolysis