| Name: | atrium |
|---|---|
| Synonyms: | |
| Definition: | Cavitated compound organ that receives inflow of deoxygenated blood and delivers it to a muscular cardiac ventricle. Valves are present to direct flow. There are only two chambers present in the fish heart. |
| Ontology: | Anatomy Ontology [ZFA:0000471] |
| Name: | heart contraction |
|---|---|
| Synonyms: | cardiac contraction, heart beating, hemolymph circulation |
| Definition: | The multicellular organismal process in which the heart decreases in volume in a characteristic way to propel blood through the body. |
| Ontology: | GO: Biological Process [GO:0060047] QuickGO AmiGO |
| Name: | decreased process quality |
|---|---|
| Synonyms: | |
| Definition: | A quality of a process that has a value that is decreased compared to normal or average. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002302] |