| SECTION | Item or Ref ID | Value or text | 
| Identification | 
| TA code | A15.3.03.095 | 
| Entity ID number | THA:7340 | 
| FMA identifier | FMA:77831 | 
| Type of entity | Immaterial entity | 
| Language | 
| TA98 Latin preferred term | paries externus | 
| TA98 English equivalent | external surface | 
| Properties | 
                Bilaterality
             | 
            This entity has left and right instances. | 
                Immaterial
             | 
            This entity is an immaterial object (no mass). | 
| TA98 Hierarchy | 
| A01.0.00.000 | 
| A15.0.00.000 | 
| A15.3.00.001 | 
| A15.3.03.001 | 
| A15.3.03.059 | 
| A15.3.03.091 | 
| A15.3.03.093 | 
| A15.3.03.095 | 
               
                paries externus
               
             | 
          
| A15.3.03.096 | |
| A15.3.03.097 | |
| A15.3.03.098 | |
| A15.3.03.099 | 
| FMA Taxonomy | 
| FMA:62955 | 
               
                anatomical entity
               
             | 
          
| FMA:61775 | 
               
                physical anatomical entity
               
             | 
          
| FMA:67112 | 
               
                immaterial physical anatomical entity
               
             | 
          
| FMA:24137 | 
               
                anatomical surface
               
             | 
          
| FMA:45688 | 
               
                surface of organ region
               
             | 
          
| FMA:77718 | 
               
                surface of region of membranous labyrinth
               
             | 
          
| FMA:77831 | 
               
                external surface of cochlear duct
               
             | 
          
| Date: 29.01.2013 |