| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Preauricular sinus | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Preauricular fistula | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital deformity of pinna | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital malposition of ear | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital stenosis of external auditory canal | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Preauricular cyst | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Preauricular dimple | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital absence of ear lobe | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital absence of external auditory canal | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Accessory tragus of ear | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Microtia | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Polyotia | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Double auditory canal | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital absence of external ear | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Macrotia | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital malposition of pinna | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Branchial cleft, cyst or fistula; preauricular sinus | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Fistula of congenital auricle | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Cervicoaural fistula | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Preauricular sinus, pit or fistula | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| [X]Other mis-shapen ear | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital fistula of auricle | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital cystic ear | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital absence of auricle with atresia of auditory canal | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital stricture of external auditory canal | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital cervicoaural fistula | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Ear auricle and external auditory canal absent | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Tophus of ear co-occurrent and due to gout | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital abnormal shape of pinna | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Supernumerary external ear | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Accessory tragus | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital atresia of external auditory canal | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Supernumerary ear | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Polyotia | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Cryptotia | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital deformity of pinna | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital atresia of right external ear | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Scalp, ear, nipple syndrome | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Non-eruption of teeth, maxillary hypoplasia, genu valgum syndrome | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Cryptomicrotia brachydactyly syndrome | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Short stature, unique facies, enamel hypoplasia, progressive joint stiffness, high-pitched voice syndrome | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital atresia of left external ear | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Aplasia of auditory canal | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Hypoplasia of auditory canal | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Oculoauricular syndrome Schorderet type | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Intellectual disability, cataract, calcified pinna, myopathy syndrome | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital malformation of bilateral external ears | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital fistula of pinna of ear | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital cyst of pinna of ear | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital split ear lobe | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Syndactyly, polydactyly, ear lobe syndrome | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Conductive hearing loss, malformation of external ear syndrome | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital absence of auricle with stenosis of auditory canal | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| Congenital anomaly of lobe of ear | Is a | True | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  | 
| [X]Other mis-shapen ear | Is a | False | Congenital abnormality of external ear | Inferred relationship | Existential restriction modifier |  |