a polysaccharide, (CHO), produced and stored in animal tissues, esp. in the liver and muscles, and changed into glucose as the body needs it
Origin of glycogenglyco- + -gen
A polysaccharide, (C6H10O5)n, that is the main form of carbohydrate storage in animals and is found 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 .
(countable and uncountable, plural glycogens)
From French glycogène