Term: optic fissure anatomical region
Name: optic fissure
Synonyms: choroid fissure, optic fissures
Definition: Groove that is in the ventral optic cup and through which blood vessels pass to the enclosed mesenchyme.
Ontology: Anatomy Ontology [ZFA:0001284]

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]