| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Heberden's node | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Ulerythema | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Juvenile retinoschisis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| AIDS with CNS demyelinating disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Pinguecula | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Wilson's disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Calcareous degeneration of cornea | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Xeroderma pigmentosum, variant form | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Progressive muscular atrophy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Peripheral degeneration of cornea | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Juvenile osteochondrosis of head of metacarpals | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Progressive subcortical gliosis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary localized osteoarthrosis of lower leg | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Posthemiplegic ataxia | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Localized osteoarthrosis uncertain if primary OR secondary | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Spinocerebellar disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Azorean disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Azorean disease, type I | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Azorean disease, type II | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Azorean disease, type III | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Azorean disease, type IV | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Benign neoplasm of cerebellum | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 3 | 
| Chronic degenerative aortic valve disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Primary malignant neoplasm of cerebellum | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 3 | 
| Peripheral pterygium | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Lipodermatosclerosis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Localized lipodermatosclerosis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Extensive lipodermatosclerosis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital retinoschisis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebellar degeneration | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Upper motor neuron disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Demyelinating disease of the spinal cord | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Degeneration of retina | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Glaucomatous retinal degeneration | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Generalized retinal degeneration | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Feline central retinal degeneration | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Multifocal retinal degeneration | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Sudden acquired retinal degeneration | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Facial hemiatrophy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Discrete colliquative keratopathy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Degenerative disorder | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Degenerative disorder of bone | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Degenerative disorder of cartilage | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Degenerative disorder of muscle | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Degenerative disorder of musculoskeletal system | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Degenerative disorder of musculoskeletal system by body site | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degenerations usually manifest in childhood | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degeneration in lipidoses EC | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degeneration in Gaucher's disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degeneration in Niemann-Pick disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degeneration associated with another disorder | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degeneration due to cerebrovascular disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degeneration due to congenital hydrocephalus | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degeneration due to neoplastic disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degeneration due to Creutzfeldt-Jakob disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebellar ataxia associated with another disorder | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Multiple sclerosis of the brainstem | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Multiple sclerosis of the spinal cord | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Generalized multiple sclerosis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Exacerbation of multiple sclerosis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Retinoschisis and retinal cysts | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Bullous retinischisis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary retinal cysts | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Diffuse secondary choroid atrophy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Partial central choroid dystrophy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Total central choroid atrophy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Ciliary body degenerative changes | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Peripheral pterygium, stationary | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Peripheral pterygium, progressive | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Senile degenerative atrophy of skin | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Atrophic spots of skin | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Single-level lumbosacral spondylosis without myelopathy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Two-level lumbosacral spondylosis without myelopathy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Multiple-level lumbosacral spondylosis without myelopathy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Calcification of cervical disc | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Calcification of thoracic disc | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Calcification of lumbar disc | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Balo concentric sclerosis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Otto's pelvis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Intervertebral disk calcification | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Bulbar conjunctival degeneration | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Primary degenerative dementia of the Alzheimer type, presenile onset, with depression | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Jadassohn-Pellizzari anetoderma | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Schweninger-Buzzi anetoderma | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Hereditary canine spinal muscular atrophy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Total central choroidal atrophy | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Spinal muscular atrophy, type II | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Pick's disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Spinal demyelination | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| Senile dementia of the Lewy body type | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 3 | 
| Localized, primary osteoarthritis of the wrist | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Localized, primary osteoarthritis of toe | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Localized, primary osteoarthritis of elbow | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Atherosclerotic occlusive disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier |  | 
| Spinocerebellar ataxia | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Xerophthalmia | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cord multiple sclerosis | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 2 | 
| [X]Dementia in Creutzfeldt-Jakob disease | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral lipidoses NOS | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degeneration in lipidosis NOS | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 | 
| Cerebral degeneration in disease NOS | Associated morphology | False | Degeneration | Inferred relationship | Existential restriction modifier | 1 |