| Name: | optic recess | 
|---|---|
| Synonyms: | optic recesses | 
| Definition: | Lumen of optic stalk. | 
| Ontology: | Anatomy Ontology [ZFA:0000049] | 
| Name: | anatomical region | 
|---|---|
| Synonyms: | |
| Definition: | A 3D region in space without well-defined compartmental boundaries; for example, the dorsal region of an ectoderm. | 
| Ontology: | Spatial Ontology [BSPO:0000070] |