| Link to the unit |  | 
            
              | Links of entity | taxonomic: | 
            
              | Entity-oriented links | Universal page Definition page | 
            
              | External links | FMA PubMed | 
            
              | Taxonomic links | Level 2: segmentum organi Short Extended | 
            
              |  | Level 3: segmentum arboris tracheobronchialis | 
            
              | Subsidiary language with Latin |       | 
            
              | Non Latin primary language |       |