| Name: | trochlear motor nucleus |
|---|---|
| Synonyms: | motor nucleus IV, nIV |
| Definition: | |
| Ontology: | Anatomy Ontology [ZFA:0000450] |
| 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] |