| 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: | dorsal-ventral axis |
|---|---|
| Synonyms: | anterior-posterior axis, D-V axis, dorsoventral axis, DV axis |
| Definition: | An axis that is approximately perpendicular to the anterior-posterior axis and that extends through the horizontal plane of the body. |
| Ontology: | Spatial Ontology [BSPO:0000016] |