Term: optic recess anatomical region
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]