Name: | midbrain |
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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: | agenesis |
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Synonyms: | |
Definition: | Absence of a tissue or organ due to failure to develop. |
Ontology: | Phenotypic Quality Ontology [PATO:0002291] |