| SECTION | Item or Ref ID | Value or text | 
| Identification | 
| TA code | A02.1.03.030 | 
| Entity ID number | THA:451 | 
| FMA identifier | FMA:57402 | 
| Type of entity | Immaterial entity | 
| Language | 
| TA98 Latin preferred term | apertura sinus frontalis | 
| TA98 English equivalent | opening of frontal sinus | 
| Properties | 
|  Bilaterality | This entity has left and right instances. | 
|  Immaterial | This entity is an immaterial object (no mass). | 
| TA98 Hierarchy | 
| A01.0.00.000 | 
| A02.0.00.000 | 
| A02.0.00.009 | 
| A02.1.00.001 | 
| A02.1.03.001 | 
| A02.1.03.029 | 
| A02.1.03.030 | 
                apertura sinus frontalis
               | 
| FMA Taxonomy | 
| FMA:62955 | 
                anatomical entity
               | 
| FMA:61775 | 
                physical anatomical entity
               | 
| FMA:67112 | 
                immaterial physical anatomical entity
               | 
| FMA:5897 | 
                anatomical space
               | 
| FMA:9338 | 
                anatomical conduit
               | 
| FMA:3724 | 
                anatomical orifice
               | 
| FMA:53133 | 
                orifice of skull
               | 
| FMA:57402 | 
                opening of frontal sinus
               | 
| Date: 29.01.2013 |