| Name: | heart tube | 
|---|---|
| Synonyms: | |
| Definition: | Cavitated compound organ that will become the adult heart following looping morphogenesis and valve formation. | 
| Ontology: | Anatomy Ontology [ZFA:0000360] | 
| Name: | postero-ventral region | 
|---|---|
| Synonyms: | posteroventral region | 
| Definition: | Anatomical region that overlaps the posterior and ventral regions of a body or body part. | 
| Ontology: | Spatial Ontology [BSPO:0000035] |