| 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: | bilateral symmetry |
|---|---|
| Synonyms: | left-right symmetry, pennate |
| Definition: | A symmetry quality inhering in a bearer by virtue of the bearer's being symmetric about a plane running from its frontal end to its caudal end (head to tail), and has nearly identical right and left halves. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001324] |