Term: presumptive brain anatomical region
Name: presumptive brain
Synonyms: brain rudiment
Definition: Embryonic structure that gives rise to the brain.
Ontology: Anatomy Ontology [ZFA:0000146]

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]