Term: midbrain postero-ventral 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-ventral region
Synonyms: posteroventral region
Definition: Anatomical region that overlaps the posterior and ventral regions of a body or body part.
Ontology: Spatial Ontology [BSPO:0000035]