- Anatomical structure
- anatomical entity
- material anatomical entity
- anatomical structure
- anatomical system
- cardiovascular system
- circulatory system
- organ
- Cardinal organ part
- compound organ
- serous sac
- trunk region element
- cell type
- lateral structure
- mesoderm-derived structure
- multicellular anatomical structure
- Cardinal organ part
- multi-tissue structure
- multicellular organism
- anatomical system
- cardiovascular system
- circulatory system
- organ
- Cardinal organ part
- compound organ
- serous sac
- 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
- tissue
- anatomical system
- organ
- Cardinal organ part
- compound organ
- serous sac
- 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
- tissue
- structure with developmental contribution from neural crest
- anatomical system
- lateral structure
- anatomical structure
- material anatomical entity
- anatomical structure
- epicardium
- organ
- Cardinal organ part
- compound organ
- serous sac
- trunk region element
- serous pericardium
- thoracic segment of trunk
- visceral serous pericardium
- biological entity
- anatomical entity
- cardiovascular system
- fat cell
- mesoderm-derived structure
- 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
- pericardium
- serous sac
- structure with developmental contribution from neural crest
- anatomical entity
- cellular organisms
- organism
- protein-containing material entity
