| Name: | cardiac ventricle |
|---|---|
| Synonyms: | ventricle |
| Definition: | Cavitated compound organ that receives blood flow from the atrium and delivers blood to the body via the aorta. Valves are present to direct flow. There are only two chambers present in the fish heart. |
| Ontology: | Anatomy Ontology [ZFA:0000009] |
| Name: | cardiac conduction system |
|---|---|
| Synonyms: | cardiac pacemaker, central conduction system |
| Definition: | Anatomical system located in the heart that initiates and propagates heart contraction. The cardiac pacemaker. |
| Ontology: | Anatomy Ontology [ZFA:0005063] |