Term: midbrain hindbrain boundary dorsal-most region
Name: midbrain hindbrain boundary
Synonyms: isthmus, mhb, midbrain-hindbrain boundary
Definition: The boundary between the mesencephalon and the rhombencephalon.
Ontology: Anatomy Ontology [ZFA:0000042]

Name: dorsal-most region
Synonyms: dorsal-most, dorsalmost
Definition:
Ontology: Spatial Ontology [BSPO:0000038]