| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire masseter fascia | Is a | True | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire cricopharyngeal ligament | Is a | False | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire posterior cricoarytenoid ligament | Is a | True | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire carotid sheath (body structure) | Is a | True | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire thyrohyoid ligament | Is a | False | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire hyoepiglottic ligament | Is a | False | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire cricotracheal ligament | Is a | False | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire cricothyroid ligament | Is a | True | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire vestibular ligament of larynx | Is a | False | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire thyroepiglottic ligament | Is a | False | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire buccopharyngeal fascia | Is a | True | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire nuchal fascia | Is a | True | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire parotid fascia | Is a | True | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire galea aponeurotica | Is a | True | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  | 
| Entire orbital septum | Is a | True | Entire fascia of head, orbit AND/OR neck | Inferred relationship | Some |  |