| Name: | swim bladder |
|---|---|
| Synonyms: | gas bladder |
| Definition: | The swim bladder is a double-chambered organ located in the coelom and used to maintain buoyancy and may function as an acoustic resonator. The zebrafish does not appear to have a gas gland, but it is not yet clear if there are gas producing cells distributed more widely. |
| Ontology: | Anatomy Ontology [ZFA:0000076] |
| Name: | agenesis |
|---|---|
| Synonyms: | |
| Definition: | Absence of a tissue or organ due to failure to develop. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002291] |