| Name: | presumptive atrium heart tube |
|---|---|
| Synonyms: | |
| Definition: | Multi-tissue structure that is part of the heart tube and will become the cardiac atrium. |
| Ontology: | Anatomy Ontology [ZFA:0001718] |
| Name: | increased size |
|---|---|
| Synonyms: | big, enlarged, great, large |
| Definition: | A size quality which is relatively high. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000586] |