| 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: | myofibril |
|---|---|
| Synonyms: | |
| Definition: | The contractile element of skeletal and cardiac muscle; a long, highly organized bundle of actin, myosin, and other proteins that contracts by a sliding filament mechanism. |
| Ontology: | GO: Cellular Component [GO:0030016] QuickGO AmiGO |
| Name: | disorganized |
|---|---|
| Synonyms: | |
| Definition: | A structural quality inhering in a bearer by virtue of the bearer's lacking organisation. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000937] |