| 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: | muscle contraction |
|---|---|
| Synonyms: | |
| Definition: | A process in which force is generated within muscle tissue, resulting in a change in muscle geometry. Force generation involves a chemo-mechanical energy conversion step that is carried out by the actin/myosin complex activity, which generates force through ATP hydrolysis. |
| Ontology: | GO: Biological Process [GO:0006936] QuickGO AmiGO |