| 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: | cardiac muscle cell |
|---|---|
| Synonyms: | cardiac muscle cells, cardiac myocyte, cardiomyocyte |
| Definition: | |
| Ontology: | Anatomy Ontology [ZFA:0009316] |
| Name: | condensed |
|---|---|
| Synonyms: | compact, compressed, dense, squashed |
| Definition: | A structural quality inhering in a bearer by virtue of the bearer's being thicker or more closely packed together; pressed tightly together. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001485] |