| Name: | basibranchial |
|---|---|
| Synonyms: | basibranchials |
| Definition: | Median elements that are ossified within copulae and are not assigned to a specific branchial arch number. They articulate posterolaterally with the hypobranchials. |
| Ontology: | Anatomy Ontology [ZFA:0000170] |
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |