| Term: | heart action potential |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| 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: | action potential |
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| Synonyms: | |
| Definition: | A process in which membrane potential cycles through a depolarizing spike, triggered in response to depolarization above some threshold, followed by repolarization. This cycle is driven by the flow of ions through various voltage gated channels with different thresholds and ion specificities. |
| Ontology: | GO: Biological Process [GO:0001508] QuickGO AmiGO |