| Name: | heart rudiment |
|---|---|
| Synonyms: | heart cone, rudimentary heart |
| Definition: | The migrating myocardial precursors of the heart rudiment form a cone like structure between 19.5 hpf and 22 hpf, and eventually telescope out into the primitive heart tube at 24hpf. |
| Ontology: | Anatomy Ontology [ZFA:0000115] |
| Name: | aplastic |
|---|---|
| Synonyms: | aplasia, undeveloped |
| Definition: | Absence of an organ, tissue or cell due to failure to develop from a primordium or precursor cell. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001483] |