| 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: | presumptive endocardium |
|---|---|
| Synonyms: | |
| Definition: | Portion of tissue that is part of the heart tube and will become the endocardium. |
| Ontology: | Anatomy Ontology [ZFA:0001724] |