| Name: | heart | 
|---|---|
| Synonyms: | |
| Definition: | Blood pumping organ composed of four components: sinus venosus, atrium, cardiac ventricle and bulbus arteriosus. | 
| Ontology: | Anatomy Ontology [ZFA:0000114] | 
| Name: | protein-containing complex | 
|---|---|
| Synonyms: | macromolecular complex, macromolecule complex, protein complex, protein containing complex, protein-protein complex | 
| Definition: | A stable assembly of two or more macromolecules, i.e. proteins, nucleic acids, carbohydrates or lipids, in which at least one component is a protein and the constituent parts function together. | 
| Ontology: | GO: Cellular Component [GO:0032991] QuickGO AmiGO |