| 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: | macrophage | 
|---|---|
| Synonyms: | histiocyte | 
| Definition: | A mononuclear phagocyte present in variety of tissues, typically differentiated from monocytes, capable of phagocytosing a variety of extracellular particulate material, including immune complexes, microorganisms, and dead cells. | 
| Ontology: | Anatomy Ontology [ZFA:0009141] |