GM1gangliosidosis

G_M1gan·gli·o·si·do·sis

(gang'glē-ō-si-dō'sis)

A disease characterized by accumulation of a specific monosialoganglioside, G_M1. Three forms exist: infantile or generalized, juvenile, and adult. Attributable to a deficiency of G_M1-β-galactosidase.