| Name: | primitive heart tube |
|---|---|
| Synonyms: | |
| Definition: | Multi-tissue structure that arises from the heart rudiment and will become the heart tube. |
| Ontology: | Anatomy Ontology [ZFA:0000149] |
| Name: | posterior side |
|---|---|
| Synonyms: | caudal, posterior |
| Definition: | An anatomical region that is the entire part of an anatomical structure posterior to a transverse plane and bounded on one side by the same transverse plane. |
| Ontology: | Spatial Ontology [BSPO:0000056] |