| Name: | epithalamus |
|---|---|
| Synonyms: | |
| Definition: | Brain structure which is part of the diencephalon and consists of the dorsal and ventral nuclei of the habenula, and two dorsal outgrowths, the epiphysis and the saccus dorsalis. From Neuroanatomy of the Zebrafish Brain. |
| Ontology: | Anatomy Ontology [ZFA:0000509] |
| Name: | aplastic |
|---|---|
| Synonyms: | aplasia, undeveloped |
| Definition: | Absence of an organ, tissue or cell due to failure to develop from a primordium or precursor cell. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001483] |