- Anatomical structure
- anatomical entity
- material anatomical entity
- anatomical collection
- anatomical structure
- anatomical system
- organ
- Cardinal organ part
- compound organ
- respiration organ
- tracheobronchial tree
- trunk region element
- respiratory system
- organ
- endoderm-derived structure
- lobe of lung
- lung
- proximo-distal subdivision of respiratory tract
- respiratory tract
- respiratory tube
- tracheobronchial tree
- lateral structure
- multicellular anatomical structure
- Cardinal organ part
- anatomical conduit
- respiratory airway
- tube
- multicellular organism
- anatomical system
- organ
- Cardinal organ part
- compound organ
- respiration organ
- tracheobronchial tree
- trunk region element
- respiratory system
- organ
- organism subdivision
- body proper
- trunk
- subdivision of trunk
- trunk region element
- trunk
- main body axis
- body proper
- trunk
- subdivision of trunk
- trunk region element
- trunk
- subdivision of organism along main body axis
- thoracic segment of trunk
- trunk
- subdivision of trunk
- trunk region element
- body proper
- subdivision of organism along main body axis
- thoracic segment of trunk
- trunk
- subdivision of trunk
- trunk region element
- subdivision of trunk
- body proper
- anatomical system
- organ
- Cardinal organ part
- compound organ
- respiration organ
- tracheobronchial tree
- trunk region element
- organism subdivision
- body proper
- trunk
- subdivision of trunk
- trunk region element
- trunk
- main body axis
- body proper
- trunk
- subdivision of trunk
- trunk region element
- trunk
- subdivision of organism along main body axis
- thoracic segment of trunk
- trunk
- subdivision of trunk
- trunk region element
- body proper
- subdivision of organism along main body axis
- thoracic segment of trunk
- trunk
- subdivision of trunk
- trunk region element
- subdivision of trunk
- body proper
- anatomical system
- lateral structure
- material anatomical entity
- anatomical structure
- organ
- Cardinal organ part
- compound organ
- respiration organ
- tracheobronchial tree
- trunk region element
- thoracic segment of trunk
- organ
- biological entity
- anatomical entity
- endoderm-derived structure
- lobe of lung
- lung
- proximo-distal subdivision of respiratory tract
- respiratory tract
- respiratory tube
- tracheobronchial tree
- organism subdivision
- body proper
- trunk
- subdivision of trunk
- trunk region element
- trunk
- main body axis
- body proper
- trunk
- subdivision of trunk
- trunk region element
- trunk
- subdivision of organism along main body axis
- thoracic segment of trunk
- trunk
- subdivision of trunk
- trunk region element
- body proper
- subdivision of organism along main body axis
- thoracic segment of trunk
- trunk
- subdivision of trunk
- trunk region element
- subdivision of trunk
- body proper
- pair of lungs
- endoderm-derived structure
- anatomical entity
- protein-containing material entity
