| 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: | decreased volume |
|---|---|
| Synonyms: | low volume, small volume |
| Definition: | A volume which is relatively low. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000596] |