Legend:

• Concept Types
  • target (multiple types disease)
  • classification term
  • pathway-based classification term
  • clinical findings
  • multiple types disease
  • single disease
  • disease type

• Congenital, Hereditary, and Neonatal Diseases and Abnormalities related to Glycans
  • Genetic Diseases, Inborn
    • Metabolism, Inborn Errors
      • Lysosomal Storage Diseases (degradation)
        • Pathogenesis
          • Genetic disorders of glycan degradation
            • Disorders of sphingolipid metabolism and other lipid storage disorders
              • Sphingolipidosis
                • Gangliosidosis
                  • GM2 gangliosidosis
                    • Tay-Sachs disease (GDGDB) [HEXA]
                      • Tay-Sachs disease, infantile form [HEXA]
                      • Tay-Sachs disease, late-onset forms [HEXA]
                    • Sandhoff disease (GDGDB) [HEXB]
                      • Sandhoff disease, infantile form [HEXB]
                      • Sandhoff disease, juvenile form [HEXB]
                      • Sandhoff disease, adult form [HEXB]
                    • GM2-gangliosidosis, AB variant (GDGDB) [GM2A]