| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Galactosylceramide beta-galactosidase deficiency | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Schultz disease | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Neuroaxonal leukodystrophy | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Type III transitional Pelizaeus-Merzbacher disease | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Type IV adult Pelizaeus-Merzbacher disease | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Type V atypical Pelizaeus-Merzbacher disease | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Type VI Cockayne Pelizaeus-Merzbacher disease | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Leucodystrophy without a known biochemical basis | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Globoid cell leukodystrophy, late-onset | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Dalmatian leukodystrophy | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Pelizaeus-Merzbacher disease, connatal variant | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Pelizaeus-Merzbacher disease | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Alexander's disease | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Pelizaeus-Merzbacher disease, classic form | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Leukodystrophy | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Leucodystrophy NOS | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Phytanic acid storage disease | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Pelizaeus-Merzbacher disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Pelizaeus-Merzbacher disease, connatal variant | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Phytanic acid storage disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Neuroaxonal leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Type V atypical Pelizaeus-Merzbacher disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Type IV adult Pelizaeus-Merzbacher disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Type III transitional Pelizaeus-Merzbacher disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Globoid cell leukodystrophy, late-onset | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Type VI Cockayne Pelizaeus-Merzbacher disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Pelizaeus-Merzbacher disease, classic form | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Alexander's disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Schultz disease | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Dalmatian leukodystrophy | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Leucodystrophy without a known biochemical basis | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Leucodystrophy NOS | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Galactosylceramide beta-galactosidase deficiency | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Adult onset autosomal dominant leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Metachromatic leukodystrophy, adult type | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Ribonucleic acid polymerase III-related leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Progressive encephalopathy with severe infantile anorexia | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Pelizaeus Merzbacher like disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebroretinal vasculopathy | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 3 | 
| Hypomyelination, hypogonadotropic hypogonadism, hypodontia syndrome | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 6 | 
| Odontoleukodystrophy | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 3 | 
| X-linked spastic paraplegia type 2 | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 6 | 
| Hypomyelinating leukodystrophy with atrophy of basal ganglia and cerebellum | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 6 | 
| Ataxia co-occurrent and due to phytanic acid storage disease | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 5 | 
| Dermatoleukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Leukoencephalopathy, ataxia, hypodontia, hypomyelination syndrome | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Peripheral demyelinating neuropathy, central dysmyelinating leukodystrophy, Waardenburg syndrome, Hirschsprung disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Odontoleukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Tubulin beta 4A class IVa related leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebroretinal vasculopathy | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Ataxia co-occurrent and due to phytanic acid storage disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 3 | 
| Hypomyelinating leukodystrophy with atrophy of basal ganglia and cerebellum | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Hypomyelination, hypogonadotropic hypogonadism, hypodontia syndrome | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 3 | 
| X-linked spastic paraplegia type 2 | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 3 | 
| Hypomyelination with brain stem and spinal cord involvement and leg spasticity | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Muscle eye brain disease with bilateral multicystic leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Galactocerebroside beta-galactosidase deficiency - early onset | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Pelizaeus Merzbacher like disease due to HSPD1 mutation | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Pelizaeus Merzbacher like disease due to SLC16A2 mutation | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Pelizaeus Merzbacher like disease due to AIMP1 mutation | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Pelizaeus Merzbacher like disease due to GJC2 mutation | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 2 | 
| Pelizaeus-Merzbacher disease null syndrome | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Pelizaeus-Merzbacher disease in female carrier | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Vanishing white matter disease | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Ovarioleukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| C11ORF73-related autosomal recessive hypomyelinating leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| VPS11 core subunit of CORVET and HOPS complexes-related autosomal recessive hypomyelinating leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Multiple mitochondrial dysfunctions syndrome type 4 | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| 4H leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| NK6 homeobox 2-related autosomal recessive hypomyelinating leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Non-progressive predominantly posterior cavitating leukodystrophy with peripheral neuropathy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Arginyl-tRNA synthetase 1-related autosomal recessive hypomyelinating leukodystrophy | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Leukodystrophy due to alkaline ceramidase 3 deficiency | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Alexander disease juvenile form | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Alexander disease infantile form | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Alexander disease adult form | Associated morphology | True | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Leucodystrophy NOS | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 | 
| Adult-onset autosomal dominant leucodystrophy | Associated morphology | False | Myelin sheath alteration | Inferred relationship | Existential restriction modifier | 1 |