| Name: | heart | 
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| Synonyms: | |
| Definition: | Blood pumping organ composed of four components: sinus venosus, atrium, cardiac ventricle and bulbus arteriosus. | 
| Ontology: | Anatomy Ontology [ZFA:0000114] | 
| Name: | embryonic heart tube left/right pattern formation | 
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| Synonyms: | |
| Definition: | The pattern specification process that results in the subdivision of the left/right axis of the embryonic heart tube in space to define an area or volume in which specific patterns of cell differentiation will take place. | 
| Ontology: | GO: Biological Process [GO:0060971] QuickGO AmiGO |