| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Congenital morphological disturbances of hair | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Congenital alopecia | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Congenital hypotrichia | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Congenital hypertrichosis | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Bayonet hair | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Persistent lanugo | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Taenzer's hair | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Specified hair anomalies NOS | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| [X]Other congenital malformations of hair | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Odonto-onychial dysplasia with alopecia | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Alopecia, nail dystrophy, ophthalmic complications, thyroid dysfunction, hypohidrosis, ephelides, enteropathy and respiratory tract infections | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Synophrys | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Absent eyebrow | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Double eyebrow | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Congenital distichiasis | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Lamellar ichthyosis AND trichorrhexis invaginata syndrome | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Menkes kinky-hair syndrome | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Congenital absence of eyelash | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Hallermann-Streiff syndrome | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Distichiasis | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Ectopic cilia of eyelid | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Keratosis pilaris with ichthyosis and deafness | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Genetic defect of hair shaft | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Congenital absence of eyelash | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Ectopic cilia of eyelid | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Ectodermal dysplasia with hair-nail defect | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Oculocerebral hypopigmentation syndrome of Preus type | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Sparse hair with short stature and skin anomaly syndrome | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Trichomegaly with retina pigmentary degeneration and dwarfism syndrome | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Hair defect with photosensitivity and intellectual disability syndrome | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Bamforth Lazarus syndrome | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Noonan syndrome-like disorder with loose anagen hair | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Osteopenia, intellectual disability, sparse hair syndrome | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| White forelock with malformations syndrome | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Familial isolated trichomegaly | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Pilodental dysplasia, refractive errors syndrome | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Pseudoprogeria syndrome | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Uncombable hair syndrome | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Congenital wooly hair | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Beaded hair | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Congenital ringed hair | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Pili annulati | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Marie Unna syndrome | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Intellectual disability, polydactyly, uncombable hair syndrome | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Pili torti | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Osteopathia striata, pigmentary dermopathy, white forelock syndrome | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Ectodermal dysplasia with hair-tooth defects | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Ectodermal syndrome with hair-sweating defects | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Waardenburg syndrome type 2 | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Waardenburg syndrome type 1 | Is a | True | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| [X]Other congenital malformations of hair | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  | 
| Specified hair anomalies NOS | Is a | False | Congenital anomaly of hair | Inferred relationship | Existential restriction modifier |  |