| Name: | primordial hindbrain channel |
|---|---|
| Synonyms: | medial head vein, PHBC |
| Definition: | The paired vessels that run along the lateral walls of the hindbrain and drain into the anterior cardinal veins. |
| Ontology: | Anatomy Ontology [ZFA:0001052] |
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |