| 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: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |