| Name: | opercle |
|---|---|
| Synonyms: | opercles |
| Definition: | Dermal bone that articulates anteriorly with the hyomandibula. The opercle is paired and typically the largest bone of the opercular series. It is derived from the neural crest and is located in 2nd pharyngeal arch. |
| Ontology: | Anatomy Ontology [ZFA:0000250] |
| Name: | aplastic/hypoplastic |
|---|---|
| Synonyms: | aplasia/hypoplasia |
| Definition: | Decreased size or absence of organ, tissue or cell due to a reduction in cell numbers. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002290] |