Term: midbrain postero-dorsal region
Name: midbrain
Synonyms: mesencephalon
Definition: The brain region between the forebrain anteriorly and the hindbrain posteriorly, including the tectum dorsally and the midbrain tegmentum ventrally.
Ontology: Anatomy Ontology [ZFA:0000128]

Name: postero-dorsal region
Synonyms: posterodorsal region
Definition: Anatomical region that overlaps the posterior and dorsal regions of the body or body part.
Ontology: Spatial Ontology [BSPO:0000030]