| Name: | paired fin |
|---|---|
| Synonyms: | |
| Definition: | Fin that is one of a pair located ventrally on the organism. |
| Ontology: | Anatomy Ontology [ZFA:0005596] |
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |