| Name: | pharyngeal pouch 4 |
|---|---|
| Synonyms: | pharyngeal pouches 4 |
| Definition: | |
| Ontology: | Anatomy Ontology [ZFA:0001134] |
| 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] |