Mondo Description Glycogenosis due to glucose-6-phosphatase (G6P) deficiency or glycogen storage disease, (GSD), type 1, is a group of inherited metabolic diseases, including types a and b, and characterized by poor tolerance to fasting, growth retardation and hepatomegaly resulting from accumulation of glycogen and fat in the liver.

Disease Ontology Description A glycogen storage disease that has material basis in deficiency of the glucose-6-phosphatase enzyme which impairs the ability of the liver to produce free glucose from glycogen and from gluconeogenesis and is characterized by accumulation of glycogen and fat in the liver and kidneys, resulting in hepatomegaly and renomegaly.