This is just here as a test because I lose it
Term relations
Subclass of:
- Pericardial sac structure (body structure)
- Serous membrane structure (body structure)
- Structure of connective tissue of thorax (body structure)
- Structure of soft tissue of thoracic cavity (body structure)
- Structure of connective tissue of thorax (body structure) and Serous membrane structure (body structure) and Pericardial sac structure (body structure) and Structure of soft tissue of thoracic cavity (body structure)