| Name: | retina |
|---|---|
| Synonyms: | retinas |
| Definition: | Multi-tissue structure that contains the retinal neural layer and the retinal pigmented epithelium, and develops from the optic cup. |
| Ontology: | Anatomy Ontology [ZFA:0000152] |
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |