| 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: | roof plate | 
|---|---|
| Synonyms: | |
| Definition: | Multi-tissue structure that is the dorsal-most aspect of the developing neural tube. | 
| Ontology: | Anatomy Ontology [ZFA:0007058] |