| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire acetabulum | Is a | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier |  | 
| Structure of acetabular notch | Is a | True | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier |  | 
| Lip of acetabulum | Is a | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier |  | 
| Structure of floor of acetabulum | Is a | True | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier |  | 
| Structure of column of acetabulum | Is a | True | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier |  | 
| Structure of surface of acetabulum | Is a | True | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier |  | 
| Structure of acetabular fossa | Is a | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier |  | 
| Structure of roof of acetabulum | Is a | True | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier |  | 
| Juvenile osteochondrosis of acetabulum | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital acetabular dysplasia | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Central fracture dislocation acetabulum | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 3 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint, Aufranc-Turner | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Acetabuloplasty with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of acetabulum of hip | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Partial hip replacement by cup with acetabuloplasty | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 4 | 
| Acetabuloplasty, Whitman type procedure | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Closed fracture of acetabulum | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of acetabulum with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Acetabular augmentation | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Osteotomy of acetabular bone with femoral osteotomy | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Congenital hip dysplasia | Finding site | True | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Intrapelvic protrusion of acetabulum | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Acetabuloplasty, Colonna type procedure | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Fracture of acetabulum | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Osteotomy of acetabular bone with open reduction of hip | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 3 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 3 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Acetabulectomy | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Repair of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Open fracture of acetabulum | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of prosthesis of acetabulum with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 4 | 
| Acetabuloplasty with resection of femoral head | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Replacement of prosthesis of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Osteotomy of acetabular bone | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Protrusio acetabuli of the pelvic region and thigh | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Unilateral dysplastic hip | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Bilateral dysplastic hip | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Unspecified intrapelvic protrusio acetabuli | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Protrusio acetabuli NOS | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Closed fracture acetabulum, double column unspecified | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified closed fracture acetabulum | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Closed fracture acetabulum NOS | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Open fracture acetabulum, double column unspecified | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Other specified open fracture acetabulum | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Open fracture acetabulum NOS | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Protrusio acetabuli of unspecified site | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 4 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 4 | 
| Closed fracture acetabulum, anterior lip alone | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Closed fracture acetabulum, posterior lip alone | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Closed fracture acetabulum, anterior column | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Closed fracture acetabulum, posterior column | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Closed fracture acetabulum, floor | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Closed fracture acetabulum, double column transverse | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Central fracture dislocation acetabulum | Finding site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 3 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 3 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 4 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 3 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Partial hip replacement by cup with acetabuloplasty | Procedure site - Indirect | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 3 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 3 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 4 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 3 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 4 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint with use of methyl methacrylate | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Manual reduction of closed fracture of acetabulum and skeletal traction | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 4 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 3 | 
| Manual reduction of closed fracture of acetabulum | Procedure site | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Implantation of prosthesis or prosthetic device of acetabulum of hip joint, Aufranc-Turner | Procedure site - Indirect | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Acetabuloplasty with use of methyl methacrylate | Procedure site - Direct | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of acetabulum of hip | Procedure site - Indirect | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Partial hip replacement by cup with acetabuloplasty | Procedure site - Direct | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Acetabuloplasty, Whitman type procedure | Procedure site - Direct | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of acetabulum with use of methyl methacrylate | Procedure site - Direct | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 1 | 
| Replacement of acetabulum with use of methyl methacrylate | Procedure site - Indirect | False | Bone structure of acetabulum | Inferred relationship | Existential restriction modifier | 2 |